Culon Soft Shag Pads Area Rugs Room Carpet Home Decor Floor Washable (No slip)Mats, 24"x16", Black Cat Material: Polyarmide/Nylon; Size: 24"x16" 100% high quality soft nylon loop pile. Safety and environmental protection, Formaldehyde Free and No harmful chemicals Non-slip cross pattern backing for hard surfaces.Machine washable; light weight for easy cleaning and use. Thick cushioned "gel backing" for extra comfort and reinforced surged edges for durability. Perfect and great area rugs for any rooms PLEASE NOTE: Due to the rug is folded in the package, when you received it, there might be some folds on the back, please don't worry, shake it softly and flat, after few days, it will recover to the good effect. If you mind the folds, please consider carefully before to buy. Thanks.