[Safety and health]The collapsible water bottle is made of environmentally friendly and safe food grade PE material meeting the latest European standards, it is non-toxic, does not contain free BPA. [Sturdy and durable]We have thickened the water can to make it more durable and be able to withstand higher pressure without breaking easily. [Innovative design] The 10L drinking water bag has a tubing diameter of 3.5 cm and we have equipped it with an 8 cm diameter collapsible funnel so you can fill it easily for drinking water, drinks, etc. The ergonomic handle provides comfort and easy tipping. [Easy to carry] This collapsible water bag is ideal for camping, hiking, hunting, picnics , mountaineering, distant travel, etc. In addition, in case of disaster or emergency, the camping water bag it can store a large amount of water for you and meet your water storage needs. [Multipurpose]The 10L food grade water bottle 3 pieces can hold not only water, but also wine, juice, milk, soda and beans, cereals, coffee beans, etc.