Clean step is a polyethylene film mat with a tacky surface for removing dust from footwear. 30 individually tabbed sheets for easy removal of used sheet. For use with model No. DG30WM, a sturdy, reusable, portable board for any surface, nonslip backing. Size: 24" x 30". 30 tabbed sheets. No. DGRCM: Length: 30", Width: 24", Material: Polyethylene, Pkg Qty: 30