Safe and High Quality MaterialsThis foldable water container is made of eco-friendly high quality PE material, which is food safe, environmentally friendly, non-toxic and BPA free.No plastic PVC smell, water smell will not be affected. CollapsibleThis portable water container can be folded, the height after folding is only 11.5cm, after stretching it can reach 32cm and the capacity is 3.5l, which is very convenient for outdoor activities. Easy to useOur water tank has a leak-proof tap with adjustable water volume control, just put it under the tap, fill it with water and let the tank "grow" to its maximum size. Wide range of applicationsOur foldable drinking water tanks are versatile and very suitable for outdoor activities such as camping, hiking, fishing, mountaineering, travelling, hunting, outdoor picnics etc. Package includes1 * 3.5L blue foldable water tank. The foldable water tank is equipped with an adjustable spill-proof tap, so you can drink and save water directly. You can store and transport water easily and conveniently.