Body-Bands 3/4-inch Loop Resistance Bands, Black (1-Pair) Set Includes Two Black CrossFit Resistance 3/4" Bands providing 30 to 50 lbs. of Resistance Each These Bands are Great for Strength Training, Resistance Training, Isometric Training, P90X, and Pull Up Assistance Each Band has a 41" Lay Flat Length and has 82" Circular Circumference Body Bands Basic Training Series are Layered Loop Bands which are Ideal for Individual Users from Beginners to Athletes These Bands are Made by Layering a Continuous Sheet of Natural Rubber Latex which gives it Added Strength and Durability