This easy-clean 12x12inch sized glass cutting mat from is perfect for protecting your worktop and has a multi-use working area. The grid and angle grip markings which make measuring and cutting accurate and simple, and the handy matting and layering guide mean you never need to struggle with sizing again. Fine grid for accurate crafting and scrapbooking, handy angle guide. Made from tempered glass for durability and safety. Handy 15 degree angle guide and markings for 4.25x5.5inch and 8.5x5.5inch. 30.5cmx30.5cm working area.