Slide everything as if it had wheels.Moves up to 1,600 lbs. Works on any surface, carpet, hardwood floors, ceramic tiles and vinyl. no scratching or damage to floors. Will even slide over doorsteps or floor edges with a height difference of up to 3/16th of an inch. Can be used over and over or attached permanently with double face tape provided ( or epoxy or crazy glue gel). Patented product with complex and sophisticated technology.