The Innstar Vertical Jump Trainer Leg Strength Resistance Bands Set includes 2 leg resistance ropes and 2 adjustable ankle straps, designed to provide resistance training for legs. Made from natural rubber, these exercise bands are durable and offer a secure fit for the given muscle group. With adjustable features and compact dimensions, this set is perfect for gym training and fitness activities, improving leg strength and vertical jump performance. The brand, INNSTAR, ensures quality and reliability in this resistance trainer.