This is the Wanderfrost Cooler Pouch. It's a soft cooler pouch with a 3L capacity, offering high cooling performance and lightness. It can hold up to 3 x 500ml cans upright. It also features a variety of storage options, including a front zippered pocket for small items and a daisy chain for attaching accessories. The main material is 300-denier recycled polyester (TPE laminate) for water resistance and durability, and the bottom material is tough 420-denier recycled nylon. The shoulder strap is removable, allowing it to be used as a bag-in-bag. When used as a bag-in-bag, the top buckle can be connected to use it as a carry handle.