The high quality water tank is made of high quality PVC material, safe, reliable, more transparent and soft, not easy to be damaged, foldable and reusable. Foldable and Easy to carry: we adopt foldable and compact design to achieve the purpose of putting it in a bag easily and it can save space before and after use. Large capacity: the water bag has a large capacity to satisfy your kinds of need for emergency use, camping, barbecue, picnic, climbing. More so, when you encounter drought, earthquake, flood, the water tank will be d water saving. control switch: the water tank has control switch, which is waterproof, it can also adjust the water flow. You can use it more convenient. NOTE: When not in use, it is also necessary to allow the water bag to dry completely before packing. Otherwise, the residual moisture will form mold over time.Product Description Specification: Material: PVC Color: Transparent Capacity Options: 20L 20l size: 28 x 28 x 28 cm Package weight: 243g Quantity: 1 piece Package List: 1*20L Collapsible Water Bottle Note: 1. Do not close to fire and sharp objects to avoid damage. 2. Do not let alcohol and dilute class of chemicals in the container to avoid damage. 3. Water temperature in the container could not be more than 60 degrees. 4. Cannot be heated. Notes: 2-3cm difference exists due to different measurement way, please confirm the detailed size before ordering, thanks for your understanding. Due to the light and monitor difference, please allow a slight color difference. lucky to meet