[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.]