Material: Ultra-durable polymer without BPA<br>Size: 40.5*38cm, bottle diameter: 3.5cm<br><br>Package List<br>1 x collapsible water containe<br><br>1、Ultra-thin polymer, BPA-free, safe, reliable, durable and reusable. 2、 Folding design: ultra-small size after storage, even in the pocket of jeans. Very space saving. 3、 Wide range of applications: Portable water bag is a removable water tank, perfect for your camping, garden, cemetery, vacation, hiking, hunting, tourism, outdoor, picnic, barbecue and other water and other beverage storage, is also a perfect Gasoline emergency bag. 4、 Innovative design: Unlike ordinary water bags, the large screw cap provides leak-proof sealing. The large 1.38-inch bottle opening is convenient for filling and pouring. The wear-resistant portable hand can be hung on the back and easy to carry. 5、 It can be frozen, but the capacity of water when freezing should not exceed half of the container to avoid freezing and rupture.