Exclusive service: All Reehut products are backed by a 30-day replacement or refund and lifetime customer support. If you have any questions, please feel free to contact us by email and enjoy your exclusive service. Add Variety to Workout: Multifunctional and easy on joints, boxing resistance bands provide controllable and constant tension for muscle groups, suitable for both men and women. Great On-the-Go: Our resistance bands with handles are compact and portable, making getting to and from the gym a breeze. Made of Eco-friendly natural latex for maximum strength. Each exercise band comes with soft Grip Handles, Door Anchor, Starter Guide and Carrying Case. Single Resistance Band:Reehut resistance bands have seven colors with seven different resistance levels.Length of 3.6ft, Yellow (2-4 lbs.), Blue (4-6 lbs.), Green (10-12 lbs.), Black (15-20 lbs.), Red (25-30 lbs.), Orange (30-35 lbs.), Purple (45-50 lbs.) and Atomic (70-75 lbs.).