SPECIFICATION: Diameter: 3.93 Inches Package: 4 x pads( come in handy for any jobs that might pop up around the house )DOZENS OF USES OF ROUND ADHESIVE PADS DOUBLE SIDED: These adhesive tapes can attach kids fenders, kitchen guards, car dashboard toys & GPS, toothbrush holder, metal sign, spice rack, etc mounting to anywhere. These pads also works perfect with suction cups, will stick to any wall.Usage:1. Please tear off the white film on one side. / 2. Stick the double-sided tape to the place you want to fix. These doube sided tapes are very sticky and durable, please choose the surface you never want to move. / 3. Tear off the other side and press on the thing you want to stick.MORE POWERFUL SUCTION:Almost a permanent bond / very strong glue. They hold well and expect to last a long time. Don't stick this to anything you don't want glued down!CUT INTO ANY SIZE YOU NEED:You can cut pads into smaller pieces if need. It can be used as: dashboard pad , mounting disk for suction cup, sticky adhesion replacement for dash Camera/DVR Video , windshield holder, GPS, tablet, car phone bracket base and Other suction cup Items.