* The TriBag quickly mounts to the top tube of your bike for quick and easy access to energy bars or any small essential gear you need to keep close at hand. Two side pockets for extra capacity. Large size fits smartphones with screens up to 6”* One padded main compartment and two side pockets* Padded main compartment* Good for holding PDA, mobile phone, energy bars, wallet & tools* Fits heads tube 53 - 75 mm* Fits top tube 38 - 52 mm* 600 denier polyester* waterproofed 70 denier ripstop nylon