• Dual-use design,it is a tactical water bag can be used for the hydration backpack, or accessory bag to the tactical vest
• Size: 28x37x12cm,expandable design allows the pack to remain small and compact when full capacity is not necessary, and then easily expandable the storage room when needed
• Hydration compatible
• Adjustable & detachable straps
• Front and back designed with molle straps, for attach extra useful ammo pouch, first aid pouch, flashlight pouch and dump pouches on the panel to extend your storage space. Have magic sticker panel can stick badge to your favorite.