Flexco Riser 600 in Cappuccino Vinyl Stair Stringers Kraft Faced Insulation waterproof upgrade that lasts Grey Vanity waterproof upgrade that lasts Brackets are built into the design for easy mounting and uniform height help conceal floor and stair irregularities Homogeneous color is inherent through the riser and superior finish resists scuffing gouging and most chemicals Smooth pattern creates a nice finished edge Risers cover the rear edge of tread to eliminate labor intensive hand trimming Sized to fit most stair risers Rubber risers offer a superior color finish and quality construction Finishing touch to the back riser of the stair tread application PVC free and Phthalate free Meets FloorScore and CHPS criteria Dimensional stability