Intertape 591/BEIG07536 591 Double Sided Flat Back Paper Tape: 3/4" x 36 yd, Beige Core: 3 inch diameter Backing/carrier: bleached flatback paper Adhesive: natural rubber/resin Release liner: white crepe paper Thickness: 12 mils (carrier, adhesive, liner) 7 mils (carrier, adhesive) 5 mils (liner)