Sports Hoop&reg; - Power Hoop&reg; 4B - 3.6lb (Dia.41") Large, Weighted Hula Hoop for Workout Recommended for adults and teenagers, weighing 100lb. And over. Wavy ridges design. Durable soft rubber integrated. Maximizes weight loss and improves workout results. Weighs 3.6 pounds (1.6 kg) and measures 41 inches (104cm) across. Patented wavy design stimulates core muscles, improves weight loss, and provides other health benefits. Easy to master! Sports Hoop&#174; unique designs are heavier and wider than traditional hula hoops. The weight of the hoop contribute to the intensity of the hooping exercise. The large diameters of the hoops help reduce the effort needed to spin the hoop. Easy to assemble and disassemble. 8 detachable sections for easy storage and transport. Made of a durable plastic core with a soft exterior for comfortable and fun exercise. GS certified.