Mat size: 9.5 x 12.5 inches (240 x 320 mm)<br/>Grid size: 9 x 12 inches (220 x 300 mm)<br/>Thickness:3 mm<br/>WorkLion cutting mat contains variety of sets of DOUBLE SIDED clear inch grids, 1/2 grids, 1/8 marks, different angle guides 30°, 45°and 60° can cut exacto triangle and long strip stickers, separation distance diagonals 1" & 2", figures outside that will GREATLY help cutting process. <br/> Table flat, stays flat. Our plain spread mat resist curling and warping. <br/>