Self Healing Cutting Mat,Professional Thick Double Sided Durable Non-Slip Rotary Mat for Scrapbooking, Quilting, Sewing and all Arts & Crafts Project 9" x 12" (A4) DOUBLE-SIDED MAT:Professional-quality, double-sided mat with grid lines angles.Great for crafts, quilting, cutting projects or use as a desktop mat ACCURATE CUTTING: The self healing mat contains different sets of CLEAR grid lines,  measurements, and angles that will GREATLY help the cutting process. THICK WITH SELF-HEALING:3mm, 5-ply construction for heavy duty cutting, compatible with rotary cutters.Reseals surface cuts, providing a continually smooth surface for all cutting projects EXCEED YOUR EXPECTATIONS: Proven and Trusted. HIGHLY RECOMMENDED by crafters, quilters, and hobbyists. It comes with a 3 YEARS FULL MONEY BACK MANUFACTURER'S GUARANTEE STRONG&DURABLE:Our heavy duty mats resist curling and warping.Protect your table top from sharp blades, writing instruments and other art and craft tools