Features 1. Made of high quality soft and smooth surface PEVA material, odorless and taste free, BPA free, SGS approved. No leaving bad taste in your drink. Passed the pneumatic pressure test and with safety standards. Durable and safe when used at outdoor. 2. You won't be slowed down with our high flow bite-valve. Simply bite the mouthpiece to suck water. Pull to drink and push back to lock. It also has a dust proof cover to keep it clean. 3. The low profile design-increases product stability, which improves water flow speed, and makes it easier to pack 4. perfect for outdoor activities, like backpacking, biking, hiking, camping climbing cycling and running. It can withstand temperatures from -20 to 50 degrees Celsius. 5. Quality Guarantee. We have faith in our product and always back it up with trustful customer service, please reach out to us if you have any questions or problems about our products. Specification Material: PEVA Color: Blue Capacity: 1.5L / 2L Weight: 120g Package Included: 1 x Outdoor Drinking Water Bag