This is a awesome waterproof magnetic tank bag/case for all electronic devices and gadgets. This quality leather case will magnetically attach itself to any metal part of your motorcycle or snowmobile so you have a safe and secure solution for your cell phone, amplifier, iphone etc. We tested it with The Iphones, Ipods, Blackberries, and droids. Its 5" X 3 X 1/12 so make sure it will fit your device before you buy this. (Iphone and blackberry shown not included. This is just for the case) FRONT POCKET HAS A CLEAR OPENING FOR A GPS, CELL PHONE, AMPLIFIER etc LARGE ZIPPER POCKET WILL FIT ON ALL MOTORCYCLES / SNOWMOBILES WITH METAL GAS TANKS HAS TWO MAGNETS FOR GOOD HOLDING POWER 5"L x 3"H x 1 1/2" THICK