Sports Hoop for Excercise Recommended for children and teenagers, weighing 60lb. to 100lb.. Wavy ridges design. Maximizes weight loss and improves workout results. Weighs 1.8 pounds (0.8 kg) and measures 40.5 inches (103cm) across. Lightweight durable plastic in 4 vibrant neon colors. Patented wavy design stimulates core muscles, improves weight loss. Special design for teenager, patented wavy ridges. Made with durable materials. Easy to assemble and detach. Easy to assemble and disassemble. 9 detachable sections for easy storage and transport. Made of a durable plastic core for comfortable and fun exercise. GS certified.