Function: Hollow Butt Plug Color: Black Size:  S: 8 * 4.8 cm/3.1" * 1.9"(52 G/0.11 lb/1.8 oz) M: 9.7 * 5.8 cm/3.8" * 2.3"(95 G/0.2 lb/3.4 oz) L: 11.1 * 6.8 cm/4.4" * 2.7"(135 G/0.3 lb/4.8 oz) Power: No Material: Silicone Package: OPP...