... , galvanized pipe, steel3)Packing: Plastic film Model:HO#0313Name:Waist Trainer & Arm WheelColor:Red, yellow, blue, green, brown, purple ,or ... Arm Wheel Functions: To build up the strength of shoulder muscle group, improve the flexibility of the shoulder joint, dredge sit meridians of ... turn the body.Warning:Kids under twelve can't use it without a companied by adults.Update Date:2012 Waist Trainer & ...