Features 500D Nylon Imported Lightweight Tactical Hydration Backpack The hiking water storage pack has 5 colors for you to choose Coyote Brown Multicamo Multicamo Black Black Green And the pack size 11 x 6.3 x 3.6 inches L x W x H which is compatible with most hydration bladder and comes with 2 tube opening through the top of hydration backpack allowing you to hydrate at any time It will be the best outdoor accessories for hiking cycling mountain climbing running and other outdoor sports Large Capacity Hydration Bag Keeping hydrated is very important during exercise or outdoor sport activities This hydration bundle pack can hold a 2 liter water reservoir In addition the water backpack has a large main pocket a pouch and 2 front pockets which is enough to store phone wallet keys knife multi-tool or any other thing you need Molle Webbing & Straps The hydration backpack has MOLLE webbing on the back & buttom sides for accessory and gear attachments and two adjustable quick snap straps of the back that can attach to any MOLLE webbing system Besides the front of running hydration backpack has quick release buckles smooth YKK zippers and Hook and Loop which make it very easy to use 500D Material Hydration Backpack The Molle Hydration Backpack is made of 500D Nylon material with high durability wear resistance waterproof and quick-drying fabric The hydration water bag suitable for 2L water bladder has nylon webbing handle YKK rope zipper sturdy tough buckle magic sticker panel which is suitable for hiking running or climbing Multiple Use Water Backpack The hiking backpack is suitable for hiking running MTB cycling biking climbing music carnival and other outdoor occasions