Sports Hoop? - Acu Hoop? 3M - 3.2lb (Dia.38") Medium, Weighted Hula Hoop for Workout with 50 minutes Workout Lesson DVD Recommended for adults, weighing 100lb. to 140lb.. Wavy ridges design. Soft rubber foam padding. Maximizes weight loss and improves workout results. Weighs 3.2 pounds (1.5 kg) and measures 38 inches (97cm) across. Patented wavy design stimulates core muscles, improves weight loss, and provides other health benefits. DVD contains hooping instruction and workout lessons. 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 foam exterior for comfortable and fun exercise. GS certified.