You can now enlarge your penis with the XL Black Mamba Cock. This will be a moment that you will really enjoy.... More information about the XL Black Mamba Cock: Color: Black Material: PVC Length outside: 17.7 cm Diameter outside: 6.45 cm Diameter inside: 3.55 cm Diameter retrieval ring: 3.30 cm Phthalate-free: Yes (so no softeners) (Tip: Use enough lubricant).