Lori Holt of Bee In My Bonnet has designed these Cutting Mats,
perfect for quilting and general use. 

These cuttings mats are triple-layer, self-healing, with grids on both sides for longer life. All measurements are imperial (inches)
 
Come in Three Sizes 
5" x8" (Pink/Aqua)
12" x 18" (Aqua/Green)
18" x24" (Red/Pink)