Large opening for easy cleaning: 2l hydration bladder has one of large opening; and the big opening makes for easy pouring of water; It is also fairly wide for a hand or bottle brush easily access to the interior water bladder for hiking backpack; The screw on cap goes on and off easily; for cold water, simply add ice cubes directly from a scoop or refrigerator ice dispenser；the smooth inner of water reservoir promotes health and is easy to clean

Well-sealing water bladder: You won't be slowed down with our high flow bite-valve; simply bite the mouthpiece to suck water; Soft mouthpiece with easily accessible ON/OFF valve; it also has a cover to keep dirt out; conveniently control the water flow by biting; quick-release tube is detachable; while the tube is removed, the connnector automatically shut off and the hydration bladder will stay filled; store neatly in fridge/icebox without tangling hose

✅ Customer First, Service First: After receiving our products or encountering any problems during use, such as size, quality, comfort, etc., you can contact us at any time, we will give you a satisfactory solution within 24 hours.