Leggett & Platt-Slip Not Rug Backing is perfect under latch hook rugs or any other household rugs. Made of woven polyester fabric coated with a special poly-vinyl compound. It will not stain discolor or stick to floorings or rugs. Slipnot is treated with an antimicrobial agent to inhibit the growth of odor causing bacteria, mold and mildew. Slipnot cuts easily to fit any size or shape rug. Size: 2 x 4ft. Guaranteed to retain its non-slip properties for ten years. Made in USA.