I Love Math Bumper Sticker All products are made using 3.0 mil thick 5 year Intermediate Calendered Vinyl for a long-lasting print. Image dimensions (approximate): 4" wide x 3.5" tall Suggestions for use: Car window Bumper sticker Dry erase boards Mirrors Walls (for a more permanent fixture!) Each piece comes as pictured with a layer of transfer tape over the top for easy application. Re-applying vinyl is ONLY EASY with transfer tape provided and on glass or plastic surfaces. Vinyl will tear if user attempts to remove from certain surfaces.