About this item * 【Automatic Rebound】: Equipped with a high elasticity, and silent spring, roller assists in returning to its original position, making it easier and more controllable to use. *【5 Layers Wheel】: Made with 5 layers of different materials, including slip proof layer, strengthening layer, damping layer, silent layer, and noise reducing layer that provide excellent noise cancellation and floor protection. * 【Dual Wheel】: Roller is designed with 2pcs 3.94 inch thick wheels that are broader in the front and back, making them more stable and capable of handling up to 220 lbs. * 【EXCELLENT WORKMANSHIP】: This rebounding roller is made of stable, eco-friendly plastic with sponge grips that are non-slip, sweat-absorbent, comfortable, fade-resistant, durable, won't make noise or scratch the floor, and provide longer. * 【Easy Assembly】: Comes with a support iron rod connected by a locking button, making it easy to assemble, more convenient to use, detachable handle is covered with thick foam. * 【Workout Equipment】: Highly efficient training device with a timer that helps tone your arms, chest, core, back, hips, and leg muscles. Perfect equipment for both men and women. * 【Comfortable and thickened elbow pad】: Soft and comfortable, with excellent sweat absorption and anti slip performance, high-density sponge material, and longer service life than ordinary foam. * Silence and noise prevention】multi-layer materials, anti-skid layers, reinforcement layers, shock absorption layers, noise reduction layers, and support layers are combined to make the pulley soft and silent, reduce vibration and noise, and exercise more comfortable.