A materials mystery: What the heck are self-healing cutting mats made from? And a possible alternative - Core77

Last year Core77 forum moderator Timf posted, The other day one of my students asked me what a self healing cutting mat is made of. I have done a search and only found the mysterious phrase "made of a unique self healing composite material". Does anyone know what they are

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B - SVA MFA INTERACTION DESIGN- THESIS SYLLABUS - School of

Master Your Craft: The Hidden Power of Cutting Mats Explained

Made of 5-layer PVC material, the white hardness PVC in the middle help to prevent cutting through.

Self Healing Cutting Mat, Craft Cutting Board for Sewing, Hobby, DIY, Quilting, Arts and Crafts Projects

Material Matters: Wood No Longer the Right Choice for Boardwalks? - Core77

A materials mystery: What the heck are self-healing cutting mats made from? And a possible alternative - Core77

X-ACTO Self Healing 24 Cutting Mat, Opaque Gray (X7763)

Cutting Mats for Crafts and Hobbies, Self Healing

Self-Healing Cutting Mat: Everything You Need to Know

Data-Quest-Projects/Guided Project- Transforming data with Python/hn_stories.csv at master · tnmichael309/Data-Quest-Projects · GitHub

anezus Self Healing Sewing Mat, 12inch x 18inch Rotary Cutting Mat Double Sided 5-Ply Craft Cutting Board for Sewing Crafts Hobby Fabric Precision Scrapbooking Project: Home & Kitchen