Rubber-Cal "Block-Grip Non-Slip Rubber Tread Stair Mats (6 Pack), Black Step mats are very easy to clean using common household cleaners and degreasers Rubber is a protective layer that adds life to your stairs in an affordable fashion Each pack contains 6 eco-friendly rubber stair-tread mats made from recycled/reclaimed rubber Rubber is an excellent traction surface and is designed to reduce the chances of slip-and-falls Rubber stair treads add traction, safety and update the aesthetics of your stair