Weighted Fitness Hoop Abdomen Circle, Specification: 19 Knots (Purple)

1. 360-degree surround massage2. 19/28 sections of track free splicing3. Ergonomic joint track4. Wavy loop bumps5. Weighted power ball, adjustable length, inertial sliding track6. Metal bearings, smooth and not stuck7. ABS resin track, flexible and durable8. 360-degree rotating axle, flexible rolling at a constant speed9. Freely detachable, split joint track10. Seiko hex nut fixed11. Material: Plastic12. Features: surround massage, inertial sliding, fixed waist circumference13. Purpose: Easily reduce fat, massage and shape waist, and quickly tighten abdomen14. Suitable waist circumference: 19 knots: within 90cm, 28 knots: within 160cm