Self Healing Cutting Mat 18in x 24in # 1824MAT

This is an 18in x 24in cutting mat with self healing 5-layer construction.
Reversible design with a dark background on one side and a light background on the other.
Easy to use layout with 2 sets of corresponding numbers for reading left to right or right to left. No more counting backwards!
Accurate 1in grid with 1/8in marks for precise alignment as well as 30 degree, 45 degree, 60 degree, and 90 degree guide lines to help the cutting process.