TTD High Tack Mask is specifically designed to work with Siser EasyPatterns 12" and ColorPrint Soft Opaque printable vinyl. The increased tack allows the transfer tape to firmly grip the print and cut material, which prevents wrinkling and warping, during the masking process. A warm peel keeps the application process quick and simple so you can create more products faster. TTD High Tack is clear and thin, so you can accurately place the material on the garment. Each piece is 12" x 15".