Fiskars 183700-1002 Fashion Cutting Mat, 12 by 18-Inch 12" x 18" mat is easy to transport, easy to store and perfect for anyone who has limited fabric-cutting space Self-healing mat provides a cutting surface that lasts longer than others Easy-to-read measuring grid on both sides means you can turn the mat over for double the usage Quilting square makes measuring and cutting perfect squares for quilts easy 30-, 45- and 60-degree bias lines make creating triangle and star shapes easy