Works on all suction cups (3.25'' x 6.25'') or (82mm x 158mm) ( only 1mm thick)-(CUT TO SIZE) Make 3 Garmin Suction Cup Mounting Discs, 2 large discs up to 3.25'' or 82mm or 8 Small Discs for Small Suction Cups with Cutting Template Attached to Pad. Suction Cup Buddy is made from the same sticky material you see on many popular suction mounts ,you can now have this material on your own suction cup for the dashboards, showers, tile and more. It is guaranteed to make your suction work on smooth and even most pourus surfaces.