The Magnetic Device Tank Pouch keeps your cell phone or GPS within eyeshot and easily accessible, without the clutter of a bar-mounted device holder.; Touchscreen-friendly Made from durable Tarpaulin material with sealed seams Water-resistant zippers High-strength magnetic secure attachment for maximum protection 3.5" W x 6.125" H x 1.5" D Fits most standard-sized devices Easily attaches to any steel gas tank without straps Touchscreen-friendly clear top for on-the-go convenience Zippered opening from the bottom keeps water out while allowing access to cords