AuroKer Resistance Bands Exercise Bands - Great for Improving Mobility and Strength, Travel,Yoga, Pilates Made From Natural Latex Material &#10148 Red (15-35 lbs) + Black (25-65 lbs) + Purple (35-85 lbs) + Green (50-125 lbs) &#10148 This resistance band can be easily transported to anywhere,and use any single band or combine multiple bands to find your ideal resistance. &#10148 Made of Natural Rubber that is Anti-snap and Eco-friendly. There is no harm to your bare skin. &#10148 Achieve your fitness goals, lose weight, gain muscle,get stronger.Perfect for crossfit exercises, yoga, Pilates, physical therapy, and more. &#10148 We offer a 100% MONEY BACK GUARANTEE. Try this product risk free. If you aren't completely satisfied, please send it back within 60 days for a full refund.