Five Color Adjustable Resistance Straps - Red 30lb, Black 25lb, Green 20lb, Blue 15lb, Yellow 10lb Bands can be used alone or stacked together with a maximum of 100 lbs. PREMIUM QUALITY - Made of luxurious natural latex, eco-friendly, wear-resistant and long lasting, provide maximum resistance and no need to worry about breaking. Foam door anchor won't leave your door tag when using exercise straps. TRAINING Anytime & Anywhere You can use resistance straps with ankle straps and door accessory to practice while you are doing everywhere. Whether you are a beginner or a professional athlete, you can get the intensity of the workout that suits you. BURNING FAT & MUSCLE BUILDING Our powerful and exercise fitness bands offer you the same expensive benefits of the gym in a convenient home training equipment kit that allows you to target your entire body or a particular muscle group, to build muscles, burn fat, improve elasticity and even show the way you like. Unconditional Satisfaction Guarantee - Committed to providing excellent quality products for your satisfaction with them. If you are not satisfied for any reason, just email us and we will exchange or refund your money.