1. 【Collapsible water tank】 Sturdy collapsible handle; water tank suitable for temperatures from -20 ° C to 80 ° C. 2. 【Spigot design offers on / off function and is waterproof】 ： Convenient attached handle that folds to make it compact. Remains flexible even in extreme cold conditions, transport and use. 3. 【Foldable and Ultralight】 ： You can roll it up when not in use, saving space. Ideal for outdoor activities such as fishing, boating, camping, hiking, climbing, hunting. 4. 【You can carry this water bottle to your bike bag or belt simple and easy. Convenient, easy, good choice for camping, hiking, etc. all types of outdoor travel. 5. 【Easy to use and carry, large screw cap】 ： Large lip for easy filling and pouring. Fold flat when not in use and at the base when full, the waterfall stand can be planted on the ground and takes up very little space when empty.