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: 2x4ft. Guaranteed to retain its non-slip properties for ten years. Made in USA.