Natural Latex Material - Made of strong and durable raw material to withstand pressure over time and to last for years. | 5 Resistance Levels - This bands allow you to mix and match to get your desired weight level - from 4.5 kg (10lb) up to 45 kg (115lbs) when combined, suitable for someone just starting out or an experienced gym-goer. | Pocket Portability - Training with resistance bands is proven to achieve the same results as free weights, with the benefit of portability and low-impact exercises that put less pressure on your joints | Multi-Purpose - Ideal for physical therapy, rehabilitation, pull-ups, stretching, strength training, powerlifting and more. | Achieve Results - Our resistance bands set is designed to enable more than 150 different exercises and a wide range of resistance/weight, so you can work any muscle group in the body in countless ways.