9"x27" Dog Assist Carpet Stair Treads - ZENITH II - Set of 13 w/ 1 Roll Carpet Tape (Country Hearth) 100% BCF Olefin Fibers with Permanent Static Control - Level Loop Carpet with durable woven backing Set includes 13 Stair treads and 1 roll of double sided tape for easy do-it-yourself installation Edges are sewn with a fabric tape to prevent fraying. Each tread measures 9"x27" Made in the U.S.A