This extra large silicone mat is wonderful! It's size is 23.6 x 15.7" and is a good size for a craft mat. In my art studio my table is oak wood. I've been painting on my easel because I was too afraid to use my wood table. But with this mat, I can paint while at the table. It's heat and water proof so it's really ideal to protect your surfaces. I paint, sew, crochet, make jewelry and make polymer clay mosaic tiles so my work space gets a workout with all the tools and materials involved to make See full review