Natural latex material - Made from strong and durable raw materials to withstand pressure over time and last for years. 5 resistance levels - These bands allow you to mix and match to get your desired weight level - from 4.5kg (10lbs) to 45kg (115lbs) when combined, suitable for someone just starting out or an experienced gym goer. Pocket Portability - Training with resistance bands has been proven to achieve the same results as free weights, with the added benefit of portability and low impact exercises that exercise less pressure on your joints and more. Get Results - Our resistance band set is designed to allow for over 150 different exercises and a wide resistance/weight range, so you can work out any muscle group in the body in countless ways.< /p>