Function: Butt Plug Color: Black S Size: 8 * 8 cm/3.1" * 3.1" (112 g/0.2 lb/3.9 oz) M Size: 9.4 * 10 cm/3.7" * 3.9" (200 g/0.44 lb/7.1 oz) Power: No Material: Silicone Package: OPP Bag Further: Washable