J.V. Converting WMT-7/CLR460 JVCC WMT-7 Wrestling Mat Tape: 4" x 60 yd, Clear Core: 3 inch diameter Backing/carrier: polyethylene film Adhesive: synthetic rubber Thickness: 7 mils (carrier, adhesive) 4.5 mils (carrier) Adhesion: 60 ounces per inch (to stainless steel test panel)