Material: Resin Color: Black/Yellow/Rose/Red/Blue Cage Size:  S: 4 * 3.3 CM/1.5 *  1.3 inch M: 5 * 3.5 CM/1.9 *  1.4 inch Include 4 Ring Size: 4.2 CM/1.6 Inch 4.5 CM/1.8 Inch 4.8 CM/1.9 Inch 5.0 CM//2.0 Inch