Premium Material: The water storage bag is made of safe and soft food grade polymer material, BPA free, non-toxic and environmentally friendly. It is an outdoor standing water storage tool. Appropriate Size: We provide you with two different sizes of water bags: 10L: 38x41x15cm / 5L: 32x30x14cm. Each size of drinking bag has a very large water storage capacity, suitable for different occasions. Exquisite Craftsmanship: The water tank has undergone many processes, with tight corners and no water leakage, which is safe to use. The water bag is soft and easy to fold and carry when not in use without taking up space. Faucet design: Our water carriers are equipped with a faucet, which is convenient for water drainage and makes the water quality more hygienic and safer. How to use the faucet: Check if the faucet is full. Remove the faucet collar. Remove the faucet collar and faucet cover completely. The water can be drained by lifting/pressing with your fingers. Wide applications: Foldable