Teenage Mutant Ninja Turtles TMNT - Art Design Funny & Cute Mouse Pad/Mouse Mat Rectangle Design 15 This 9.25" x 7.75" rectangular mousepad is made of a durable heat-resistant polyester fabric top, will keep your mouse rolling in style. Backed with a neoprene rubber non-slip backing, keeps the mousepad from sliding. The mousepad is 1/8" thick. It will not discolor or fade, machine washable.