Product Information Material:600D Nylon, high strength nylon braid, which could support heavy water bottle Size: Length 17cm Width 7cm Height 5cm Power elastic in 3mm diameter; The shoulder strap is made of nylon thickened braided strap; POM buckle and copper covered button(could fit -40 to 100 centigrade) Standard molle system: Could be used as accessory bag attached to the large bag; Could be used as waist bag on the belt