NeverCurl Best V Shape Design to Instantly Stops Rug Corner Curling. Safe for wood floors. For Indoor & Outdoor Rugs. Not an anti-slip pad. Made USA. Patent Pending Patent Pending. Includes 4 "V" Shape Corner Pieces Instantly Removes Curling AND made in USA. Adheres to the bottom of the rug corner and prevents corners from curling. Exclusive Rubber Layer protects wood floors. Patent Pending Design. Weatherproof adhesive works INDOORS and OUTDOORS. All Rugs - kitchen, patio, garage, etc.. You have a curled rug corner? NeverCurl fixes this instantly. Works with all rugs and thickness. NeverCurl sticks to the rug, not the floor. NeverCurl does NOT prevent rugs from sliding, or crawling. Super Solid "V" Shape Design will NOT Twist and Turn like Straight Pieces - Soft patented and trademarked rubber bottom protects wood floor surface. Never leaves marks.To prevent rug sliding, we recommend "Mighty X Rug Tape". NeverCurl is NOT an Anti-Slip pad. Size is 7.5 inches long, only 3/16 thick. RISK FREE PURCHASE FROM REGISTERED BRAND ON AMAZON - NeverCurl is a registered brand on Amazon; We are the hardworking Michigan based company that always considers customer satisfaction as its top priority. If for any reason you are not satisfied with the product, just let us know why and we will offer you full refund or a replacement for a free.