Rikki Knight Pink Yellow Argyle Design Lightning Series Round Mouse Pad (RND-MP-153) Optical-friendly round mouse pad for improved tracking Made of a durable heat-resistant polyester fabric top (will keep your mouse rolling in style) rubber non-slip backing keeps the mouse pad from sliding and protects the desktop from scratching. Mouse pad measures 8" round and is 1/8 of an inch thick Vibrant Permanent colors that will not fade