The CanDo® Exercise Band Loops Set of 3 Extra Heavy Resistance include 3 black extra heavy resistance loops in 3 different lengths. These convenient pre-formed loops provide extra heavy resistance for upper or lower body exercises. Each package includes one 10 inch, 15 inch and 30 inch long loops. These exercise band loops are equivalent to 20 inch, 30 inch and 60 inch long flat bands. The 10 inch loop is sized for upper body, 20 inch loop is sized for lower body, and 30 inch long loop is sized for full body exercises. Extra heavy resistance black durable latex loops measure 3 inches wide. CanDo Exercise Band Loops Set of 3 Extra Heavy Resistance Specifications: Material: High quality latex. Includes: One 10 inch long loop, one 15 inch long loop, and one 30 inch long loop. Measures: 3 inches wide. Resistance: Extra Heavy. Color: Black.