Flexible plastic with a textured grid cutting surface and non-slip backing. Thin profile makes it easy to funnel food directly into a pan or bowl. Rounded corners throughout. 2 Smaller Green mats: 12.5 x 7in. 3 Larger mats in Bright Colors: 15 x 11 in. Surface scratches and cut marks from use on multiple mats. No cracks or warping. #Cutting mats #Board #Multiple #Different sizes