casa pura Set of 5 Non-slip Outdoor Rubber Ring Stair Tread Mats, 1" Thick (9" x 30") | 100% Weatherproof, Superb Grip Pack of 5 non-slip outdoor rubber stair treads, with studded backing for maximum grip Bevelled edge for added convenience and safety Small honeycomb structured holes for optimum water drainage capacity, 100% weatherproof Hardwearing yet comfortable surface underfoot, ideal for households with pets Significantly enhances grip on outdoor steps; perforated surface provides a consistently water free surface