XL fits iPhone 6/6S Plus and other larger profile smart phones. Clear marine-grade vinyl protects phone from the elements, but still allows use of the touch screen. Small slot for earbuds. Three hook and loop straps secure the bag to top tube and stem. Foam sides and truck tarp interior keep the phone safe, even if your bike takes a beating. 7.5 x 4.75 x 4.25 , 110 cu in. XL fits iPhone 6/6S Plus and other larger profile smart phones Clear marine-grade vinyl protects phone from the elements, butstill allows use of the touch screen Small slot for earbuds Three hook and loop straps secure the bag to top tube and stem Foam sides and truck tarp interior keep the phone safe, even ifyour bike takes a beating