Everyday is Shatterday Dabmat *NOTE THIS PRODUCT IS NOT SILICONE. View our AMZ Storefront for Silicone Mats. COASTERS FOR YOUR GLASS - Thick 1/4 inch padding keeps your glass safe on hard surfaces. RICH VIBRANT COLORS - Enjoy hand printed, full color, detailed artwork on every Dabmatz mat. 8 INCH CIRCLE - Easily portable size to protect your glass piece or rig. 100% MONEY-BACK GUARANTEE - Our Dabmatz are backed by 100% guarantee that you are fully satisfied with your product or you receive your money back.