QS Ruler 9x 12 Mat

Self-healing, multi-layer mat that is usable on both sides, with a light background on one side & a dark background on the other • One inch line with two sets of corresponding numbers are placed around the perimeter of the mat and read left to right & right to left - never lose your place or have to count backwards! • This versatile mat was created with function & simplicity in mind with 1/8", 1/4", 1/2", 3/4", & 1" markings as well as multiple angles • Tips for maintaining the quality of this cutting mat: Do not roll; Avoid exposure to excessive heat