[Light Tactical Hydration Backpack] It has 5 colors to select a hiking water storage package: Coyote brown, Mulcoamo, Mulcoamo black, black, green. And package size: Compatible with most hydration bladder and hydration comes with 2 tube openings over the backpack and allows you to hydrate at any time 11 x 6.3 x 3.6 inches (L x W x H). Walking, bicycle, mountain climbing, jogging and other outdoor sports will be the open -air accessories. This hydration bundle package can hold a 2 -liter water reservoir. In addition, water backpack has a large main pocket, a pouch and 2 front pockets that are enough to store something else you need, or a large main pocket, which is enough to store something else you need. In addition, the operating hydration hydration has rapid swing buckles in front of the backpack, smooth YKK zipper and hook and loop, which makes the use very easy to use. There is a suitable hydration water bag for 2L water bladder, nylon reading arm, which is suitable for walking, running or climbing, YKK rope zipper, a solid hard buckle, magic decal panel. In addition, Molle Hydration Backpack can be a great festival gift for your family and friends. If you have any questions about the water backpack, please us, we will answer you as soon as possible! (Please note that tactical hydration backpack does not contain a water bladder.)