Ready to step up your play? Perfect Plug Plus has a long, flexible neck that bends to natural curves and stays put for comfortable extended play, while the anchor base tapers for a flawless fit between the cheeks. The Perfect Plug Plus has 4 inches of insertable length with extra girth and a 1.2 inches diameter bulb. The 3 speed removable waterproof bullet makes for easy clean up. Requires a 1.5V/N style battery(included).