Gregs Automotive GMC Hat Cap Black - Bundle with Driving Style Decal Bundle with Decal (2 Items) 1 Hat and 1 Driving Style Decal Exclusive Copyrighted Self Adhesive 3" x 6" Driving Style Decal Licensed By GM Back strap adjusts for a custom fit. One size fits most Embroidered Logo Licensed Products. Hat by HRP, Decal by Gregs Automotive