Suprfit Strength Bands are extremely helpful for functional training. In the area of gymnastics, Suprfit Strength Bands are often used as aids for pull-ups or dips. They are particularly beneficial for Butterfly and Kipping pull-ups, providing support until the necessary strength is developed and the correct technique is mastered. In weightlifting, heavy strength bands are used to increase resistance during deadlifts or bench presses. The strength bands from our in-house brand Suprfit are highly durable and long-lasting. The Suprfit Strength Bands have an overall length of 41 inches, which is equivalent to 102.5 cm. Made from latex, these strength bands are a natural product, so slight color variations are possible. The color gradations of the different resistance levels may change from time to time. Additionally, natural products can wear down over time. Such wear can eventually lead to tearing of the strength bands. To extend the lifespan of the bands, we recommend handling them properly. Extra light (red): 2.2 kg (25% stretch) to 22 kg (200% stretch). Light (black): 4.5 kg (25% stretch) to 27 kg (200% stretch). Medium (purple): 11 kg (25% stretch) to 36 kg (200% stretch).