These cat scratching mats are made with high quality and natural sisal (woven) that is safe and durable. They leave no mess when compared to cardboard cat scratchers after your cat grinds its claws. The bottom of the scratching mats are lined with latex nubs and non-woven fabric which helps stop them from sliding. Dimensions: 19 3/4 inches wide x 31 1/4 inches long Smoke free home.