Amazon.com: OLFA 18" x 24" Self Healing Rotary Cutting Mat (RM-SG) - Double Sided 18x24 Inch Cutting Mat with Grid for Quilting, Sewing, Fabric, & Crafts, Designed for Use with Rotary Cutters (
Fiskars 24" x 36" Self-Healing Cutting Mat (Grey & White) - Walmart.com
Acurit Self Healing Cutting Mat 18" X 24" - Clear : Target