Top tube bag with an integrated, waterproof compartment with touch screen compatible window for smartphonesUniversal strap system makes it simple to install on a wide variety of frame stylesZippered main compartment has plenty of room for keys, small tools, a tube, snacks or other small itemsAnti-slip material on the underside of the bag prevent slipping and twisting on the frame once installedVelcro Straps8x3.75x4.3`BlackUPC/EAN/GTIN: 3420587011508