Specification:Category: Magnet Wriggling PlateMaterial: ABS engineering plastics, Steel ball, MagnetColor: Orange, PurpleDimension: Diameter 27cm, thickness 4.5cmLoad Bearing: Max 90kgFitness Effect: Waist beauty, Waist slimming, Waist shaping.Features:Wider and larger surface, added with feet massage particles, soft and ergonomic design.Close fitting your feet, great effect for foot bottom massage.Safe base and anti-slip, free twisting your waist.Inner steel ball structure, reduce motion resistance, smooth sports movement.With pulling string for exercise, arm and waist training.Package Included:1 x Wriggling plate(With pulling string)