TTLIFE 11pcs Exercise Latex Resistance Bands Tube Workout Gym Yoga Fitness Stretch ABS EXERCISE BANDS - The Ultimate - Most suitable Home & Travel - Exercise & Therapy SOLUTION OPTIMISED Band Length enabling a larger range of movements for a more complete muscle group workout USE : Fitness - Exercise - Crossfit - Yoga - Pilates - Strength - Physical Therapy / Rehab. ATTENTION: THE RESISTANCE BANDS COULD ONLY BE STRETCH TWICE TO TRIPLE OF THE ORIGINAL LENGTH! Resistance bands are made of latex tubing with great elasticity and good durability. They are light weight, portable and space saving exercise equipment.