Diameter : about 90 cm
Specifications: removable in 6 parts
Material: tubular steel + NBR foam
1. The high-quality stainless steel inner pipe is not easy to bend and break, and is stronger and more durable than ordinary inner core pipes.
2. High elastic thick foam, thick stainless steel tube, concave-convex massage floating point, efficient exercise, can massage the waist hundreds of times in one minute, deeply stimulate the muscles, massage the waist points
3. Thickened double-layer foam, cushioning and waist protection, improving comfort, without hurting the waist and abdomen