This is a 8.5" x 12" Self Healing Cutting Mat from X-Acto. FEATURES: Opaque Grey color Special surface and core work together to minimize the effects of cutting with sharp blades. One inch grid pattern to aid in accurate layout Non-slip bottom INCLUDES: One 8.5" x 12" Self Healing Cutting Mat SPECS: Length: 12" (30.5cm) Width: 8.5" (21.6cm) sdw 11/7/01 ir/kh