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Hydro Flask Insulated Food Jar

4.5 out of 5 stars 1,820 ratings

$24.79 with 17 percent savings
List Price: $29.95
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Style: 8 Oz
Color: Black
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Purchase options and add-ons

Brand Hydro Flask
Color Black
Material Stainless Steel
Material Feature BPA Free
Capacity 8 Fluid Ounces

About this item

  • TempShield️ double-wall vacuum insulation protects temperature for hours
  • Leakproof when closed
  • Easy grip lid
  • BPA-Free

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Top Brand: Hydro Flask

Highly Rated
100K+ customers rate items from this brand highly
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100K+ orders for this brand in past 3 months
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Product information

Technical Details

Recommended Uses For Product ‎Water
Special Feature ‎Vacuum Insulated
Container Shape ‎Round
Closure Type ‎Flip Top
Is Dishwasher Safe ‎No
Item Package Quantity ‎1
Product Care Instructions ‎Hand Wash Only
Item Volume ‎237 Milliliters
Is Microwaveable ‎No
Item Form ‎Cylindrical
Manufacturer ‎Hydro Flask
Size ‎8 OZ
UPC ‎810096854001
Item Package Dimensions L x W x H ‎3.98 x 3.74 x 3.7 inches
Package Weight ‎0.3 Kilograms
Item Dimensions LxWxH ‎3.39 x 3.39 x 3.7 inches
Brand Name ‎Hydro Flask
Warranty Description ‎LIFETIME
Model Name ‎Food Jar
Suggested Users ‎unisex-adult
Number of Items ‎1
Part Number ‎RF8001
Style ‎8 Oz
Included Components ‎Food Jar
Number of Sets ‎1

Additional Information

ASIN B0CQPNB6Z2
Customer Reviews
4.5 out of 5 stars 1,820 ratings

4.5 out of 5 stars
Best Sellers Rank #742 in Kitchen & Dining (See Top 100 in Kitchen & Dining)
#3 in Insulated Food Jars
Date First Available February 1, 2024

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Hydro Flask Insulated Food Jar


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Customer reviews

4.5 out of 5 stars
1,820 global ratings

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Customers say

Customers appreciate the food jar's build quality, noting it's made of high-grade stainless steel and fits perfectly in lunch boxes, holding a whole can of soup. The jar is easy to clean, dishwasher-safe, and leak-proof, while being great for on-the-go meals and kids' lunches. The temperature retention receives mixed feedback - while some say it keeps food warm for hours, others report it stops cooling within 2 hours. The functionality also gets mixed reviews, with some saying it works well while others find it ineffective.

AI-generated from the text of customer reviews

74 customers mention "Size"66 positive8 negative

Customers like the size of the food jar, noting that it fits perfectly in lunch boxes and holds a whole can of soup, making it suitable for bigger kids' lunches.

"...Designed with Hydro Flask’s renowned quality and durability, this compact thermos is ideal for younger children and makes packing lunch a..." Read more

"...I will be ordering him another one. It fits a whole can of soup in it" Read more

"This jar is the perfect size for school lunch. I pack it every day with my daughter’s lunches. Everything stays warm...." Read more

"We love this food jar. The size/shape are perfect for fitting in my son's lunch box and it keeps food reasonably warm until lunch time...." Read more

61 customers mention "Build quality"52 positive9 negative

Customers praise the food jar's construction, noting it is made of high-grade stainless steel and is resistant to dents and scratches.

"...I bought the 12 oz. version, and the build quality is typical Hydroflask. It's not cheap, but you get what you pay for. Here's the test...." Read more

"...With its durable build, kid-friendly design, and ease of use, this food jar is a fantastic investment for making school lunches both convenient and..." Read more

"...It is a beautifully built jar, the seal looks very well engineered, and the name brand looks fantastic and impressive, very high on the ego emissions..." Read more

"High quality" Read more

54 customers mention "Value for money"47 positive7 negative

Customers find the food jar to be worth the money, describing it as impressive and a great thermos.

"...a fantastic investment for making school lunches both convenient and enjoyable. Highly recommended for any lunchbox!" Read more

"I love this brand and it is worth the extra cost. Keeps food hot until lunch without the need to reheat...." Read more

"Great thermos with large mouth for easy filling Use boiling water before filling it to keep food warm longer Great design..." Read more

"We love the hydro flask products. We have so many with thermos, coffee and water containers...." Read more

37 customers mention "Food quality"37 positive0 negative

Customers love using this food jar for various purposes, particularly for lunches, soups, and on-the-go meals.

"Keeps food hot and delicious! I bought the 12 oz. version, and the build quality is typical Hydroflask...." Read more

"...: The Hydro Flask food jar features a wide mouth that makes filling, eating, and cleaning easy...." Read more

"...Wish they had a square or rectangle shape but this size is better than regular food thermos...." Read more

"...this was a game changer for him. Now he can take hot soup to eat or put chili or something else in it and keep it hot...." Read more

32 customers mention "Ease of cleaning"28 positive4 negative

Customers find the food container easy to clean, noting it's dishwasher safe and convenient for meal cleanup.

"...Plus, the smooth interior ensures that there’s no hassle when cleaning up after meals...." Read more

"...Keeps food hot until lunch without the need to reheat. Easy to clean - can go in dishwasher and my daughter can open it herself at school." Read more

"...Very easy to clean too." Read more

"...The mouth is wide enough, easy to eat and clean, and the stainless steel inside has no joints, which is great. I like this color very much...." Read more

27 customers mention "Leak resistance"24 positive3 negative

Customers appreciate that the food jar is leak-proof and doesn't spill, with one customer noting that the exterior is designed to resist fingerprints and stains.

"...The jar’s exterior is also designed to resist fingerprints and stains, keeping it looking clean and new...." Read more

"...Everything stays warm. The lid is secure so no leaks! And it fits in her lunch pail perfectly with room for other food!" Read more

"keeps foor warm, cold, and not spilling" Read more

"like the size and that it is leakpoof." Read more

209 customers mention "Food warmth"122 positive87 negative

Customers have mixed experiences with the food jar's temperature retention: while some report it keeps food warm for hours, others find it only maintains room temperature.

"Keeps food hot and delicious! I bought the 12 oz. version, and the build quality is typical Hydroflask...." Read more

"...It didn't quite do it. It was warm 5 hours later, but not quite hot enough to enjoy. We had to go another route...." Read more

"...Its size is perfect for smaller portions, and its top-notch insulation ensures that meals stay at the right temperature...." Read more

"I love this brand and it is worth the extra cost. Keeps food hot until lunch without the need to reheat...." Read more

45 customers mention "Functionality"27 positive18 negative

Customers have mixed experiences with the food container's functionality, with some saying it works well while others report that it doesn't work at all.

"...Great design Easy to use and open Very functional" Read more

"...For the price, it is very disappointing, I should have (in fact, I will) gone with either the Thermos or Stanley versions...." Read more

"...It's much easier to hold and open. Works well!" Read more

"...Nice enough but a short term product" Read more

Great!
5 out of 5 stars
Great!
Returned the Swell brand and kept this one. It's much easier to hold and open. Works well!
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Top reviews from the United States

  • Reviewed in the United States on September 17, 2024
    The Hydro Flask 8-Ounce Food Jar is an excellent choice for keeping kids’ lunches warm and delicious. Designed with Hydro Flask’s renowned quality and durability, this compact thermos is ideal for younger children and makes packing lunch a breeze.

    Size and Portability: With its 8-ounce capacity, this food jar is perfectly sized for a child’s portion of soup, pasta, or snacks. It’s compact and lightweight, making it easy for little hands to carry and fit into most lunchboxes. Its small size is also a great fit for smaller backpacks and lunch bags, ensuring it doesn’t add unnecessary bulk.

    Insulation and Performance: Hydro Flask’s food jar excels in temperature retention. The double-wall, vacuum-insulated construction keeps hot foods hot and cold foods cold for hours. I tested it with a serving of chicken noodle soup, and it stayed warm and appetizing by lunchtime. It’s just as effective for cold items, keeping yogurt and fruit at the perfect temperature.

    Ease of Use: The Hydro Flask food jar features a wide mouth that makes filling, eating, and cleaning easy. The screw-on lid is child-friendly, designed for secure sealing while still being easy for kids to open and close. The jar is dishwasher safe, which is a huge advantage for busy parents. Plus, the smooth interior ensures that there’s no hassle when cleaning up after meals.

    Design and Aesthetics: Hydro Flask offers the 8-ounce food jar in a range of vibrant colors and sleek designs. Whether your child prefers bold shades or subtle tones, there’s a color option that will suit their taste. The design is both functional and stylish, making it a great addition to any lunchbox.

    Durability: Constructed from high-grade stainless steel, the Hydro Flask food jar is built to endure the rigors of daily use. It’s resistant to dents and scratches, and its robust design means it can handle the occasional drop or bump. The jar’s exterior is also designed to resist fingerprints and stains, keeping it looking clean and new.

    Overall Impression: The Hydro Flask 8-Ounce Food Jar is a standout option for parents looking to keep their kids’ lunches warm and tasty. Its size is perfect for smaller portions, and its top-notch insulation ensures that meals stay at the right temperature. With its durable build, kid-friendly design, and ease of use, this food jar is a fantastic investment for making school lunches both convenient and enjoyable. Highly recommended for any lunchbox!
    Customer image
    5.0 out of 5 stars
    Perfect for Small/Kids size Lunches

    Reviewed in the United States on September 17, 2024
    The Hydro Flask 8-Ounce Food Jar is an excellent choice for keeping kids’ lunches warm and delicious. Designed with Hydro Flask’s renowned quality and durability, this compact thermos is ideal for younger children and makes packing lunch a breeze.

    Size and Portability: With its 8-ounce capacity, this food jar is perfectly sized for a child’s portion of soup, pasta, or snacks. It’s compact and lightweight, making it easy for little hands to carry and fit into most lunchboxes. Its small size is also a great fit for smaller backpacks and lunch bags, ensuring it doesn’t add unnecessary bulk.

    Insulation and Performance: Hydro Flask’s food jar excels in temperature retention. The double-wall, vacuum-insulated construction keeps hot foods hot and cold foods cold for hours. I tested it with a serving of chicken noodle soup, and it stayed warm and appetizing by lunchtime. It’s just as effective for cold items, keeping yogurt and fruit at the perfect temperature.

    Ease of Use: The Hydro Flask food jar features a wide mouth that makes filling, eating, and cleaning easy. The screw-on lid is child-friendly, designed for secure sealing while still being easy for kids to open and close. The jar is dishwasher safe, which is a huge advantage for busy parents. Plus, the smooth interior ensures that there’s no hassle when cleaning up after meals.

    Design and Aesthetics: Hydro Flask offers the 8-ounce food jar in a range of vibrant colors and sleek designs. Whether your child prefers bold shades or subtle tones, there’s a color option that will suit their taste. The design is both functional and stylish, making it a great addition to any lunchbox.

    Durability: Constructed from high-grade stainless steel, the Hydro Flask food jar is built to endure the rigors of daily use. It’s resistant to dents and scratches, and its robust design means it can handle the occasional drop or bump. The jar’s exterior is also designed to resist fingerprints and stains, keeping it looking clean and new.

    Overall Impression: The Hydro Flask 8-Ounce Food Jar is a standout option for parents looking to keep their kids’ lunches warm and tasty. Its size is perfect for smaller portions, and its top-notch insulation ensures that meals stay at the right temperature. With its durable build, kid-friendly design, and ease of use, this food jar is a fantastic investment for making school lunches both convenient and enjoyable. Highly recommended for any lunchbox!
    Images in this review
    Customer imageCustomer image
    24 people found this helpful
    Report
  • Reviewed in the United States on April 18, 2025
    Style: 12 OzColor: Agave GreenVerified Purchase
    Keeps food hot and delicious!

    I bought the 12 oz. version, and the build quality is typical Hydroflask. It's not cheap, but you get what you pay for.

    Here's the test. Poured in 12 oz of boiling water to pre-heat the insulated food jar. After 5 minutes, I emptied the water and poured in 12 oz of bubbling hot stew. Closed the jar and placed in my neoprene lunch bag for 4 hours. After 4 hours the stew was 130 degrees Fahrenheit. The same temperature as a medium rare steak.

    I found this impressive because it's hard to keep such a small portion (12 oz) hot for hours. My 24 oz Thermos can keep stew tongue burning hot after 4 hours because the double volume does a better job at retaining heat.
  • Reviewed in the United States on April 21, 2025
    Style: 12 OzColor: SurfVerified Purchase
    This jar is the perfect size for school lunch. I pack it every day with my daughter’s lunches. Everything stays warm. The lid is secure so no leaks! And it fits in her lunch pail perfectly with room for other food!
  • Reviewed in the United States on March 25, 2025
    Style: 12 OzColor: BlackVerified Purchase
    I love this brand and it is worth the extra cost. Keeps food hot until lunch without the need to reheat. Easy to clean - can go in dishwasher and my daughter can open it herself at school.
    One person found this helpful
    Report
  • Reviewed in the United States on April 10, 2025
    Style: 20 OzColor: Trillium PinkVerified Purchase
    Need to buy another one. Keeps daughter's lunch warm all day! Wish they had a square or rectangle shape but this size is better than regular food thermos. The wide lid makes it easier to get the food inside and again, I'm impressed with how it keeps food warm. Very easy to clean too.
  • Reviewed in the United States on October 21, 2023
    We love the hydro flask products. We have so many with thermos, coffee and water containers. We really wanted this to keep my son's soup and chili hot enough to enjoy for school lunch. It didn't quite do it. It was warm 5 hours later, but not quite hot enough to enjoy. We had to go another route. It was great for keeping things cool though.
    80 people found this helpful
    Report
  • Reviewed in the United States on March 9, 2025
    Style: 20 OzColor: BlackVerified Purchase
    Great thermos with large mouth for easy filling
    Use boiling water before filling it to keep food warm longer
    Great design
    Easy to use and open
    Very functional
    3 people found this helpful
    Report
  • Reviewed in the United States on November 16, 2024
    Style: 20 OzColor: Cascade BlueVerified Purchase
    I purchased this "insulated" 20 0z food jar to use it for camping and to keep leftovers hot when traveling. It is a beautifully built jar, the seal looks very well engineered, and the name brand looks fantastic and impressive, very high on the ego emissions, for sure!

    Well, all the engineering effort went on looks; as far as performance, the jar falls waaaaaaaaaaaaay short of target. It did not keep food hot for longer than 2-3 hrs (at best). And ice melted in less than 2hrs....so much for cocktails at the end of a hike....

    The seal in this jar is very impressive and very convincing. Since I cannot return it (I've used it already and it would be rude to return something that has had food in it, regardless of how clean it might be) I will be using it to keep coffee grounds or sugar dry when camping. The container is VERY pretty, but that's all. Its primary function is visual, it seems.

    For the price, it is very disappointing, I should have (in fact, I will) gone with either the Thermos or Stanley versions.

    Next time I will watch the reviews before I buy.....lesson learned.
    8 people found this helpful
    Report

Top reviews from other countries

Translate all reviews to English
  • Raj
    1.0 out of 5 stars Did NOT keep the food warm
    Reviewed in the United Kingdom on November 11, 2023
    Size is good & easy to clean. However didn’t meet the purpose!!
  • Maria Serena
    1.0 out of 5 stars Denaro buttato via
    Reviewed in Italy on March 5, 2025
    Style: 12 OzColor: Cascade BlueVerified Purchase
    Una delusione. Dalle recensioni mi aspettavo un contenitore a tenuta termica notevole (parlavano di 9 ore) , invece non tiene il calore neanche 5 ore! Ho messo delle patate bollenti alle 7 e alle 12 erano appena appena tiepide. Non spenderò mai più così tanti soldi per un bidone del genere, considerato che ho dovuto pagare anche 5 euro di spedizione.
    Report
  • C
    5.0 out of 5 stars Great Theemos!
    Reviewed in Canada on April 16, 2025
    Style: 20 OzColor: BlackVerified Purchase
    Keeps food warm when you follow instructions to prepare thermos. Nice large size wide mouth!. Would buy again!
  • Sandra OGee
    5.0 out of 5 stars Excellent
    Reviewed in Canada on April 10, 2025
    Style: 12 OzColor: Cascade BlueVerified Purchase
    Excellent
  • LadyV
    5.0 out of 5 stars Well built design
    Reviewed in Canada on January 9, 2025
    Style: 20 OzColor: Cascade BlueVerified Purchase
    Keeps hot lunch hot! Put hot water in it for 10 mins before you add your hot lunch to keep all the heat in. Dishwasher safe and the seal is silicone easily pops out for cleaning. Much appreciated