LEVEL UP with Flex Comics! Exceptional versatility for anyone looking to LEVELING UP their fitness game! Ready to ship now from Flex Ranch in Arizona, USA. Strengthen and stretch every major muscle group in your body without burdening tendons, joints and bones. These 41'' MEGA BANDS support a variety of popular workout routines at home or the gym. Easily used for assisted chin-ups and pull-ups, biceps curls, calisthenics, stretching, hip thrusters, and more! Target specific muscle groups and enhance strength, endurance, coordination, and flexibility. Ideal for beginner, intermediate, and advance users alike. SNAP-RESISTANT and eco-friendly 100% natural rubber bands require no spotter. Perform horizontal chest press, biceps curls and overhead triceps extensions safely on your own, anytime and anywhere.  BUILD YOUR HOME GYM Black 3/4'' (25-65LBS) Purple 1 1/4'' (35-85LBS) Green 1 3/4'' (50-120LBS) Blue 2 1/2'' (60-150LBS) Orange 3 1/4'' (70-180LBS) Made from thick, durable latex rubber for reliable long-lasting strength; compact portable design. **Please note extreme temperature variations can decrease the durability of this product over time. We will gladly replace any bands you may have an issue with during the first 30 days from purchase, however we do not assume any liability for injury using these products. Consult a professional trainer for proper use.**