Scapa S305/CLR160 S305 Double Coated Removable/Permanent Tape: 1" x 60 yd, Clear Core: 3 inch diameter neutral Backing/carrier: polyester film Adhesive: acrylic rubber Release liner: 60# white polycoated paper Thickness: 6.75 mils (carrier, adhesive, liner) 2.55 mils (carrier, adhesive) 0.5 mils (carrier)