Package includes: 2 Pcs5L (1.3 gallons) / 2 Pcs10L (2.6 gallons), the appearance is obvious blue. Food grade materials: non-toxic food grade, no BPA, PVC or DEHP. Made of high quality environmentally friendly PET PA PE plastic. It is transparent, soft, stretchable, odorless and tasteless. The most durable and reusable. Space saving: folds up when not in use without worrying about breakage. Very space saving. Easy to use and carry: it can be folded and laid flat when not in use, can stand upright when full, can be placed on the table as a water tank, the large screw joint with handle is easy to use, and the wide lip is easy to fill and pour. Multiple uses: suitable for indoor and outdoor use. Perfect for camping, hiking, backpacking, fishing, sporting events, parties. Suitable for survival and emergency kits. Store water, milk, tea, juice, alcoholic beverages, etc. It can also store dry goods such as beans, grains, coffee, etc.