VPI® Black/Jet 20" x 48" x 1/8" Smart Step™ Rubber Integrated Raised Round Square Nose Stair Tread at Menards®
Ottomanson Easy clean, Waterproof, Low Profile Non-Slip Indoor/Outdoor Rubber Stair Treads, 10 in. x 30 in. (Set of 5), Black Nib RDM8113-5PK - The Home Depot