Our bulk Body Sport natural latex rubber resistive exercise bands are sold in 150 foot rolls which is long enough for 25 6-foot long bands. You may also purchase Body Sport exercise bands in individual 18 foot rolls. Body Sport exercise bands provide positive and negative resistance. When used properly they help improve strength range of motion and flexibility of the muscles. They can also help restore muscle and joint mobility plus they are portable and versatile with virtually unlimited uses. Body... Condition: New