Capacity: 2.5L Color: Army Green Empty Size: 15.7'' x 6.7'' Mouth Diameter: 3.54'' Drinking Tube: 40'' x 0.4'' Weight: 200g Suction nozzle: Silicone gel ?Water reservoir is taste free, BPA free, comply with international safety standards, it won’t leave a bad taste in your drink. ?Water bladder passed pneumatic pressure test, double sealing side technique has greatly improved durability. ?Hydration bladder has large opening which makes filling, refilling water and clean so easily. ?The 2.5 liter hydration bladder is designed for most sizes hydration backpacks. ?Drinking tube is detachable for better storage, auto-shutoff valve prevents leaking when the tube is detached. ?Pressure tolerant and does not wear out from active outdoor uses. ?Backpack hydration bladder for outdoor activities: hiking, running, bicycling, skiing, riding, camping, cycling, climbing, etc. ?The hydration reservoir is a must buy for outdoor adventure enthusiasts. We offer customer satisfaction service. If you have any problem with our hydration bladder, just contact us and we will try our best to solve it?Water Reservoir for Hydration Packs?This 2.5L water reservoir can withstand temperatures from -20 to 50 degrees Celsius. The tube resists temperature changes in hot and cold weathers. 15.7'' x 6.7'' hydration bladder is compatible with most hydration packs, keeping you hydrated when biking, cycling, hiking, or running. ?Easy to Clean & Fill?The 2.5 liter hydration bladder with wide opening makes for easy filling water and adding ice cube, you even don’t have to take out the water reservoir from your backpack. Also allows you reach every corner inside and give your water reservoir bladder thoroughly cleaning. ?Leak Proof Water Bladder?Soft mouthpiece with easily accessible ON/OFF valve prevents leakage, insulated tube cover ensures more provides a leak-proof and to keep dirt out, when tube is disconnected, the shutoff valve closes automatically and the water bladder doesn’t leak at all. ?Perfect for Outdoor Active?The leak proof water reservoir with high flow bite-valve, so you need't slow down step and can conveniently control the water flow by simply bite the mouthpiece, 360 degrees rotatable mouthpiece allows for easy drinking, suitale for biking, running, hiking and other outdoor adventures. ?Premium Quality?All parts of the hydration bladder are made of food grade material which is BPA free, taste free, odorless and the water bladder passed pneumatic pressure and leak proof test, double sealing side technique has greatly improved durability. rubber.