Athverv Monster Bands feature a high-quality design and are made from natural latex which makes them strong and durable and ensures maximum life and safety during use. Monster Bands are built to last, it provides the best stretch and maintain their elasticity over years of training. The pull-up bands are composed of sturdy, resilient natural rubber that will not distort under pressure and provide reliable support for optimal results and long-lasting performance. Monster bands are an effective and efficient way to improve overall physical performance.