DSM ® Cutting Mat A1 size 35.5" x 23.5" (60cm x 90cm) Double Side Pro Grade 3mm Self Healing Art Sewing Scrapbooking Paper Craft Extra Large - Walmart.com
DAFA Professional 12" x 9" Self-Healing, Double-Sided Cutting Mat, Rotary Blade Compatible, (36x24), (24x18), (18x12), (12x9) Sizes, for Sewing, Quilting, Arts & Crafts - Amazon.com