Unisex Military Molle Pack Gear Waist Back Pack Tactical Water Bottle Pouch Outdoor Bag Construed by 600 Denier nylon, with high strength lightweight buckle & high quality zipper. Size:23cm*9cm,can fit a bottle. MOLLE external expansion system design to be used in combination with other molle equipment. Great use for indoor and outdoor uses including camping, hiking, hunting, sports events,cycling, school supplies, tools, Etc. If you have any questions, please contact us.