A flat mat is much more useful than a warped mat
Master Your Craft: The Hidden Power of Cutting Mats Explained
Fiskars Self-Healing Folding Cutting Mat 18X24
Cutting Mat 6x13 860-106-015
Fiskars Folding Cutting Mat with Non-Slip Base 24 x 36
Fiskars Cutting Mat – 12 x 12
Fiskars Self Healing Craft Mat
Fiskars Folding Cutting Mat with Non-Slip Base 24 x 36
Fiskars Folding Cutting Mat with Non-Slip Base 24 x 36
Fiskars Self Healing Craft Mat
Cutting Mats
Fiskars 8x8 inch Rotating Cutting Mat
Self Healing Cutting Mat: Large (24 x 36)
Fiskars Craft Supplies: Self Healing Cutting Mat for
Fiskars Self Healing Cutting Mat for Crafts, Sewing