Saddlemen Tank Map Pouch Suction Cup Medium Universal Safely adheres to any gas tank; available in two sizes with either magnetic or new suction cup bottom Easily accessible and weather-resistant map pocket provides clear view of map or MP3 player and can be used alone or with top pouch Twist locks and magnets secure zippered pouch, allowing quick removal of pouch and easy viewing of maps underneath Includes waterproof port for MP3, cell phone or headset; two ports available (one each front and rear) on new suction cup bottom map pockets Medium measures 9in. x 11in.; large measures 10.75in. x 11.75in.