Polyken 105C/NAT210 105C Multi-Purpose Double Coated Carpet Tape: 2" x 30 ft, Natural Core: 3 inch diameter Backing/carrier: cloth Adhesive: rubber Release liner: low-density polyethylene (ldpe) film Thickness: 13 mils (carrier, adhesive, liner) 11 mils (carrier, adhesive) 2 mils (liner)