12" x 18" Self-healing Double Sided Cutting Mat. Features 1" grids with 1/8" markings over the entire surface. All numbers are printed outside of the grid area so they are always visible. Popular 1.5" cuts are highlighted with white stars; 2.5" cuts with white squares.
Use and care: Designed for use with rotary cutters only. Fixed-blade knives may damage mat. Rotate and flip mat periodically to avoid excessive wear in one spot. Wipe and clean, dry cloth. Keep away from extreme cold and heat. Store flat. Do not roll. Do not iron.