J.V. Converting PGM-UV/BLU0560 JVCC PGM-UV Painter's Grade Masking Tape: 1/2" x 60 yd, Blue Core: 3 inch diameter Backing/carrier: paper Adhesive: synthetic rubber Thickness: 5.2 mils (carrier, adhesive) Adhesion: 19.4 ounces per inch (to stainless steel test panel)