The Waterproof Naughty Diver is made of jelly material. The insertable length of the vibe is 5" and has a diameter of 1.5". The clit teaser has a prong that vibrates with the internal bullet. The base of the vibe has a multi-speed dial for precise stimulation. A sturdy cord at the base allows you to hang on while the vibe turns your bath time into fun time. Requires two AA size batteries, not included.