Bixle&reg; 40" Pull-up Band | Cross-fit Band | Power-lifting, Stretch & Resistance Band | Great for Assisted Pull-ups & Resistance Training! An excellent way to target and slim down problem areas Perfect for Pilates, P90X, Yoga, and Aerobics Flexibility Training: CrossFit, Pull Ups, Stretching, Pilates, Yoga, Aerobics Made of 100% natural latex material Available in 6 sizes with six levels of resistance