Material: Stainless Steel Color: Silver Cage Length: 8.5 cm/3.3 inch Cage Dia: 3.6 cm/1.4 inch Net Weight: 144 g/0.31 lb/5.1 oz Package: OPP Bag   The diameter of the ball ring have 5 Size:   S Size Inside Dia: 3.8 cm/1.5"   M Size Inside...