No. However, the internal corners are rounded for easy cleaning.

No, but Hopper® Backpack Coolers have been durability tested, and the shoulder straps will comfortably carry loaded contents.

For best thermal performance we recommend a 2:1 ice-to-content ratio.

No. Fabrics & construction are the same as the Hopper® M30 Soft Backpack Cooler, just new smaller sizes.

Yes. The same insulation that keeps the cooler cold also keeps the heat.

Your YETI product has a small sticker with a 12-digit serial number and QR code. It’s out of plain sight, but easy to find. This will be different from the product UPC code that starts in either "8888" or "100".

Replacement parts aren't currently available.

No. We updated the foam in all of our Cool Bags to remove the “ammonia” odor caused by heat and can be common in enclosed spaces.

We have fully encapsulated the magnets within the thermoplastic polyurethane (TPU) strip, so the only visual difference is inside the bag on the backside of the TPU strip. And of course, they have the same legendary ColdCell™ Insulation with closed-cell foam technology to lock the cold in.

TPU is thermoplastic polyurethane and it does not contain per- and polyfluoroalkyl substances (PFAS).

No, the new TPU strip has no effect on ice retention.

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Nope. The straps are sewn into the backpack cooler and are not removable.

No, but it will help resist stains and will be easy to clean.

The Hopper® M15 can fit up to 7 bottles of wine, and the Hopper® M30 up to 13. They’re also tall enough to fit them standing upright.

The exterior of all Hopper® Cool Bags is made with waterproof materials so no worries if you get stuck in a rainstorm or sit it down in the mud.

Nope. So don't drop it in the deep sea. 

The M15 should easily fit into the overhead compartment of most planes but call your airline ahead of time to confirm. The M30 is not TSA carry-on compatible, but it can be checked.

Yes. We recommend using YETI Ice Sheets™ to keep your food cold, safe, and dry

WARNING: Hopper® Soft Backpack Coolers are not compatible with dry ice. Use of dry ice will cause airtight vessel to explode.