Hawk Helmets Tech Small Magnetic Tank Bag/Phone CaseDimensions: 3.5'L x 5.5'H x 1.5' ThickFeatures: Front Pocket Has a Clear Opening For a GPS, Cellphone, Amplifier, etc Protective rubber back won't damage or scratch delicate surfaces Super Cool Design To Prevent The Device Overheat Large Zipper Pocket Will Fit On All Motorcycle/Snowmobile with Metal Gas Tank Strong Magnets For Good Holding Power