CanDo Perf-100 latex free economic bulk size roll is the best value for large clinics. The Perf-100 economic bulk size roll is the best value for large clinics and centers. The CanDo Perf 100 offers a true 100 yard roll of exercise band in a convenient dispenser box. The band is perforated every 5 feet. There are 60 5-foot exercisers in each roll. To prepare exercise band for use simply pull 5 foot length from dispenser box and separate perforation line by hand. No scissors are needed.. CanDo high quality latex free synthetic exercise band has been used for physical therapy and athletic training by clinics, fitness centers and individuals since 1987. It has become a well known staple of many physical therapy programs. The latex free formula has been specially created to mimic the stretch characteristics of latex band. CanDo exercise band is an economic solution for upper and lower body exercise. Lightweight, compact and portable. Durable. Effective when used alone, or with handles and anchors. Color-coded according to the exercise band's resistance. CanDo is licensed to use the Thera-Band color sequence so resistance level is easily identified. Available in 8 levels of resistance for progressive exercise. Levels range in order of strength from least to greatest resistance: tan, yellow, red, green, blue, black, silver, gold. Uniform width-each band is 5 inch wide.