4 "in diameter and 9" in length, the wedge has a tapered tip for easy entry and a narrow neck that allows your muscles to wrap it around. The ergonomic design of the base ensures that it will not slip too far inside. Silicone is phthalate-free, hypoallergenic, and can be worn all day for long-term fun. Penetration length: 3.5 in (9 cm). Width:. 1.5 in (4 cm)