5 Pcs with Varying Resistance LevelsOur pull up assistance bands comes with 5 resistance levels, which increase in layers, and you can switch combinations freely. X-LIGHT: 5-30 LBS, LIGHT: 15-60 LBS, MEDIUM: 35-110 LBS, HEAVY: 50-135 LBS, X-HEAVY: 60-170 LBS. The avant-garde and fashionable gray gradient colors will bring you a completely different experience in vision and use. Durable Eco-friendly Natural LatexHAPBEAR uses 100% natural latex material, which has no peculiar smell, no irritation to the skin, and its elasticity is 3 times that of ordinary resistance band. Even after years of use, it will still maintain a very full elasticity and texture. Superior quality allows you to exercise anytime, anywhere. Upgraded Whole Body Workout We offer you a large-size Door Anchor to create the atmosphere of a home gym. Combined with it, you can add training moves to arms, back, legs, and butt. We tailor the most suitable pull up band for juniors and seniors. Multiple resistance