This Magnetic Quick-Stash Tank Pouch keeps your phone or GPS device 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 and a high-strength magnetic secure attachment for maximum protection. • Dimensions: 3.5" (8.9cm) wide x 6.125" (15.6cm) high x 1.5" (3.8cm) deep. • Fits most standard-sized devices. • 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 charging cords.