Medium size & in Black. The Severin comes in 3 sizes, each with a narrow tip and two different staging areas to ease onto. They feature long necks and butterfly bases to wear comfortably between the cheeks. Serious players are now given material that is safe to use and easy to clean. There is nothing better for anal play than silicone, and no one understands the dynamics of anal exploration and your needs quite as well as Tantus Inc. Harness Compatible, Safe For Your Body, Made from Tantus own unique formula of 100% Ultra Premium Silicone, Easy To Clean, Eco Friendly, Hypoallergenic, Hygienic, Boilable, Bleachable and Dishwasher Safe. Dimensions: Diameter: 2 Length: 4.6.