about this product: 4 Colors/5L: four different colors of collapsible water bags: transparent, yellow, red, blue, giving you multiple choices. You can choose the right water bag according to your needs and occasions, which is very convenient.Hand-held water tank: With this collapsible water tank, whether you are traveling long distances, barbecues, festivals or outdoor activities, you can take it with you. When you need to drink water, cook rice and wash dishes, dont worry about the lack of water tanks Foldable Design: When you dont need to use this collapsible water tank, you can fold it up. Whether it is stored at home or in a backpack or suitcase, it will not take up much space, which is very convenient. Environmental protection water bag: The odorless water storage bag is made of three layers of PE+PA+PET composite material, BPA-free, safe and environmentally friendly, can save water better. drinking water and is an ideal choice for storing various liquids. Versatile use: Our outdoor foldable water bag can meet your drinking water needs on the go and is easy to carry when you go out. Ideal for camping, gardening, hiking, travelling, outdoors, car, picnic, BBQ. : Specifications: What will you get: 4*Foldable water bag. Features: This is a collapsible water bag that you will need in an emergency or for simple daily use. For a short camping trip, these are perfect water reservoirs. Meet your drinking water needs during the tripIdeal for carrying when you go out. Ideal for camping, gardening, hiking, traveling, outdoors, car, picnic, barbecue. save space: Can be folded to save space. 5ML Large capacity for convenient use. It doesnt take up too much space.