ITEM NAME:2L Hydration System Water Bag Pouch Backpack Bladder Cycling Hiking Outdoors Description: Hydration bladder is made of premium anti- material TUP, food grade, got FDA certificate, safe and healthy 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 hydration bladder. Smoothness of the liner prevents germ and lime from adhesion, which promotes health and easy to clean 2L water reservoir capacity. 38x18cm hydration bladder is compatible with most hydration packs/backpacks. The tube provides a wholesome flow for easy drinking, keeping you hydrated when doing sports Tube connected to the bottom of the bladder, compressive resistance to abrasion. Water supplies gear for outdoor camping, hiking, fishing, cycling, running, jogging, walking, backpacking, climbing, etc. Specification: Material: TPU Capacity: 2L Bladder Size (L x W): Approx. 38x18cm / 15x7 inch Package Includes: 1 Piece Hydration Bladder Note: Please allow 2-8mm size deviation and slight color difference..2L water reservoir capacity. 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 hydration bladder. Hydration bladder is made of premium anti- material TUP, food grade, got FDA certificate, safe and healthy.