Power Hoop - 4 lb. large size, with carrying case For adult weighing 100 to 200 lb., dia. 41", pipe 1.3"- 1.8" wavy ridges. Patented wavy ridges and dual softness material integrated, very easy to use. 8 sections in an easy-carry case, very convenient to carry out or store. Durable item for personal long-term workout. Easy assembly and easy detach. A durable item for personal keeping. Slim your waist week by week until fit. Designed for experienced user. No sponge covering, not suggested to beginner.