The Trinity Silicone Anal Plug Set is comprised of 3 gradually larger butt plugs. Men and women who are new to the pleasures of anal sex could find these plugs ideal. They have an O-ring handle for easy use and are shaped to work with the sphincter muscles for optimum pleasure. There are three butt plugs in each set: Small: (2" insertable length, 1" in diameter); Medium (2.5" insertable length, 1.25" in diameter); Large (3.25" insertable length, 1.5" in diameter).