The package contains: 2 Pcs5L (1.3 gallon) / 2 Pcs10L (2.6 gallon), the appearance is obvious blue. Food grade materials: food grade non-toxic, without BPA, PVC or DEHP.Made of high quality environmentally friendly PET PA PE plastic of the environment.It is transparent, soft, stretchable, odorless and tasteless.Most durable and reusable.Space-saving: Folds up when not in use without worrying about breakage.Very space-saving. Easy to use and transport : 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, large screw joint with handle is easyto 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 drinks, etc.It can also store dry goods such as beans, cereals, coffee, etc.