Dimension19-27 x 17 x 5-13cm, belt: 70-130cm. Weight: only 0.38 kg. Small but practical fanny pack and tool bag for 7.9 inch cell phone and 550ml water bottle. MaterialNylon and , quality buckle, lightweight and durable material with adjustable strap and detachable. Structure 2 front zippered pockets, 1 main double zippered pocket, suitable for water bottle, cell phone and other utility/gadget tactical accessories. SystemExternal extension designed to be used in combination with other devices, you can load pouches, water bottle pouch, walkie-talkie and other accessory kits. FunctionSuitable for vacation outings, running, hiking, camping, cycling, shopping, traveling, climbing, sports, school and all outdoor activities .