Hardline Products Series 350 Factory Matched 3-Inch Boat & PWC Registration Number Kit, Solid Black Registration kit for boats and power watercraft vehicles; includes four sets of A-Z and four sets of 0-9 Block font with solid color Made from 100 percent lead free inks and vinyl; waterproof superstick adhesive UV coated to protect from fading; fuel and scratch resistant 3-inch registration stickers meet USCG requirements when installed correctly