BiKASE's Beetle Top Tube/Stem Phone Bag is perfect for your phone, wallet, keys, gels and other smaller items. This fine 600-denier nylon bag quickly and easily attaches to your bicycle frame top tube or your stem with its Velcro and shock cord mount. Your phone goes on top and there's a zip compartment below for your other goodies. You can operate your phone through the clear window. The Beetle accepts iPhones and Samsung Galaxy S3 and S4s and has a removable spacer to fit big or smaller phones.