10L and large capacity, but compact. "Petanko Jug" that can be fully used and folded

A military-designed, good-looking multi-functional silicone bag.

Wrap a towel around it and smash it with a hammer, and you'll have high-quality crushed ice to toast with on the rocks. From food storage to a pot mat, an ice pack substitute, or for sous-vide cooking, the uses are endless.