Sup-r band latex free exercise band, black, 50 yard roll/box sup-r band is made from a premium latex free formula and excels compared to other exercise band: our tpe latex free formula has similar use and strength characteristics to latex exercise bands; similar puncture resistance; similar tear and burst strength; requires similar force to stretch and contract; 5″ width; has core for use with dispenser systems; made of thermoplastic elastomer -tpe); color-coded in thera-band colors. Roll is packaged in a dispenser box. 50 yard roll has core that fits most dispenser racks. Simply unroll desired length of exercise band from dispenser box and cut with scissors. 50 yard roll – black – x-heavy.