Material: Metal Color: Sliver Cage Size:  S: 3.8 * 3.4 cm/1.5" * 1.3" M: 4.3 * 3.4 cm/1.7" * 1.3" Ring Dia:  S: 4.0 cm/1.5 inch M: 4.3 cm/1.7 inch L: 4.6 cm/1.8 inch XL: 5.0 cm/1.9 inch