The MI-7818 mat has a smooth surface on both sides, so it is suitable for a variety of flooring including hardwood, tile, linoleum, vinyl, and even carpet! You will be able to glide across the mat smoothly so you can quickly get into a position that is most comfortable for you. Measures 35. 5 inches wide x 47 inches long. The lip extension measures 19. 25 inches. Lip extension protects the floor under your desk, and prevents your office chair from moving off of the mat. Supported by manufacturer's limited lifetime warranty. SUITS ANY ENVIRONMENT – This desk chair mat is clear, so it will go well with any environment that you need it in, and won’t clash. DURABLE MATERIALS – The tough PVC used in this office chair floor mat will keep your floor protected from constant chair movement. Textured non-slip surface works well over hardwood, tile, linoleum, vinyl, and even carpet. MULTI PURPOSE USE – Use this 35. 5" X 47" carpet chair mat to protect your flooring in a variety of settings including your home, bedroom, and office. SMOOTH ROLLING SURFACE – Your chair will glide easily on the 19mm thick surface of this desk chair floor protector so you can achieve a comfortable sitting position easily. EXTENDED LIP FOR MORE PROTECTION – The front of this desk chair floor protector has a lip that extends from the mat for added protection when the chair is pulled closely to the desk