• Made of TPE material. It is durable, resilience and long-lasting shape • The tension assist has 5 resistance levels, and the resistance can be adjusted • It is also possible to add challenges by combining multiple workouts •Exercise bands will help you effectively achieve full-body extension and enhance exercise in legs, hip, waist, arms and back, etc • The auxiliary strap is suitable for anyone, no matter a beginner, a fitness enthusiast, or an athlete •It’s perfect for working out at your home, office, gym, outdoors or even when you are on travels Specifications: • Material: TPE • Green: 600x50x0.35mm, tensile force: 5~10lb • Blue: 600x50x0.5mm, tensile force: 10~15lb • Yellow: 600x50x0.7mm, tensile force: 15~20lb • Red: 600x50x0.9mm, tensile force: 20~30lb • Black: 600x50x1.1 mm, tensile force: 30~40lb • Cloth bag size: 18x11cm • Weight: about 120g Package included: •5 x TPE Tension Resistance Band •1 x English User Manual