Fitness Republic Pilates Weighted Ball (Fitness Toning Ball) Advantage: Pilates Weighted Balls help sculpt strong and healthy muscles. Made Type: Pilates Weighted Ball are made of anti-burst high quality material (PVC) Compact and light-weight for easy use - Dimension (8 x 8 x 8 x 8 Inches) Manufacturer Warranty: Warranty of 12 months Money back guarantee: If you are not 100% satisfied with your purchase