Item Name: Exercise Tool Self-study Baseboard Practice Tennis Trainer Ball with Rope. Ball Seat Size (Dia): approx. 6.3cm / 2.48 inchElastic Bandage: 4 - 8m / 13.12 - 26.24 ftColor: BlueMaterial: Plastic + RubberElastic Ball: approx. 1.2m / 3.39 ftBase Size: approx.15 * 20 * 5cm / 5.9 * 7.87 * 1.96 inchPackage included: 1 x Tennis Training Device *Please make
