Add a finishing touch to your OneStepAhead wood-grain foam puzzle mat by adding these smooth, wavy edges along the outside border. Includes four interlocking edge pieces; get as many as you need to finish your play mat (the number varies with each configuration). Each foam edge measures 12"L x 2 1/4"W x 5/8" thick. For all ages. Designed by OneStepAhead!For more information, click here.