High Quality Materials Non-toxic food grade PE plastic, BPA free. Reusable and eco-friendly for long-term storage of drinking water, won't affect water quality. Easy to UseJust place under faucet, fill with water and watch the tank will "increase" to its actual size. Equipped with a leak-proof tap, once full to capacity our tank is ready Multiple uses- Our collapsible water tank has many uses- Ideal for use while camping, hiking, climbing, traveling, outdoor activities and long car trips. With FaucetThe collapsible water tank has a faucet, which is very convenient to use. Precisely control water flow without spilling water and avoid wastage. Multiple Wise: The portable water carrier is mobile, ideal for any boat, car, caravan. Perfect for camping, hiking, climbing, emergency, sports, picnic, travel, outdoor activities.