Is my self-healing cutting mat supposed to do this? Will it “heal” or is this a faulty product? : r/sewing

Self Healing Rotary Cutting Mat, Full 24x36, Best for Quilting Sewing

G+ True A1 24 x 36 (26 x 38 Full) Self-Healing Cutting Mat -Eco-Friendly, Double-Sided, Non-Slip, Rotary Cutting Board for Sewing, Arts and Crafts for School Projects, Businesses, and Giveaways

Custom designed for usability after extensive study of what customers want Reversible - Green side in INCHES -- black side in CENTIMETERS - .01 mm

Self-Healing Cutting MATS - Reversible Inches and Centimeters - 5 Layer (Size A2-18 x 24)

Self-Healing Cutting Mat: Everything You Need to Know

Self-healing Mat

Customer reviews: Self Healing Rotary Cutting Mat, Full 24x36, Best for Quilting Sewing

Self-Healing Cutting Mat: Everything You Need to Know

Do I need a self healing cutting mat? : r/sewing

Picking a cutting mat

Caring for Your Self-Healing Cutting Mat