Enjoy a nice deal on the Silhouette - 8.5 in. Portrait Cutting Mat Standard Tack online at CraftDirect.com. If you've got a Silhouette Portrait® 4 and need to keep your crafting materials in check, the 8.5 in. Portrait Cutting Mat is your new best friend. With just the right amount of stickiness to wrangle most cardstock and materials, this mat comes complete with a handy grid that syncs up perfectly with your virtual mat on Silhouette Studio® software. Say goodbye to crooked cuts and hello to easy crafting!