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Daytrip 3.1L Lunch Box

4.204379562043796 out of 5 stars
411 Reviews



Daytrip 3.1L Lunch Box

The Daytrip 3.1L Lunch Box is a classic-looking lunch bag boating Yeti's revolutionary insulation that offers hours-worth of ice-cooling power. Say goodbye to soggy sandwiches and lukewarm soda because this bag can keep your lunch refreshing from breakfast to afternoon. Yeti's new Thermo Snap magnetic closure actually snaps close for a tight seal that helps keep food cold longer. When the meal's over, the Daytrip 3.1L Lunch Box folds down for smaller storage in backpacks.


  • Classic lunch bag built with Yeti's reliable insulation
  • Water-resistant exterior fends off light precipitation
  • Lightweight, flexible insulation offers superior temp-holding power
  • Thermo Snap magnetic closure ensures secure storage
  • Item #YETZ00U
ColdCell Flex insulation
3.1L (189cu in)
Thermo Snap
10.5 x 8.5 x 4.5in
1lb 2oz
Manufacturer Warranty
5 years
casual, weekend camping

Overall Rating

4 based on 411 ratings

Review Summary

1 Stars - 26 reviews
2 Stars - 31 reviews
3 Stars - 37 reviews
4 Stars - 56 reviews
5 Stars - 261 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

May 12, 2024

Yeti DayTrip Lunchbox

I love this lunchbox!! It’s very sturdy, easily cleanable holds a good amount, not too heavy, and keeps my food cold!

user image
Maureen S

Originally reviewed on

4 out of 5 stars

May 2, 2024

Lunch box

An interior sleeve to hold the ice pack and a zippered exterior pocket would make this product ideal.

JP will

Originally reviewed on

5 out of 5 stars

April 13, 2024

Lunchbox and laptop stand

My husband loves it! He said that he’s been using it as a laptop stand as well as a lunchbox, which speaks to how sturdy the sidewalls are.


Originally reviewed on

5 out of 5 stars

April 6, 2024

Perfect size

Perfect size for lunch, keeps it cold as well. Great!


Originally reviewed on

5 out of 5 stars

March 13, 2024

This is like a Tank and well insulated.

This lunch box is well designed and built to stay strong.


Originally reviewed on

1 out of 5 stars

February 29, 2024


Kept everything cold but when the ice melted, it would leak.

Maggie Lichter

Originally reviewed on

5 out of 5 stars

February 28, 2024


I love these. I travel with 3 of them and organize all my things this way. They are indestructible as usual re Yeti products


Originally reviewed on

5 out of 5 stars

February 28, 2024

Awesome Lunchbox

This lunch box is sturdy and keeps my lunch cold. The shape is just the right size to.not be bulky. The magnetic lid is helpful while packing my food.

Jane HR

Originally reviewed on

5 out of 5 stars

February 19, 2024

Gift for son well received.

I gave this as a gift to my son. He loves it and looks forward to packing it with food for his road trips.

TX mom

Originally reviewed on

5 out of 5 stars

February 18, 2024

Daytrip Lunch Box

This is a great lunch box, it is sturdy, well made and is up to the task of keeping a cold sandwich cold.


Originally reviewed on