XL size 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. Water-resistant YKK Uretek zipper keeps items in the storage area safe and dry. Small slot for earbuds. Three bidirectional hook and loop straps secure the bag to top tubeand 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 size 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 Water-resistant YKK Uretek zipper keeps items in the storage areasafe and dry Small slot for earbuds Three bidirectional hook and loop straps secure the bag to top tubeand stem