TENGA's Double Hole Cup joins the Ultra Size roster, featuring its ever popular double-canal structure providing a different sensation from either side! Use each side on different occasions to savor the different sensations, or use both sides during one use and see the dynamic differences come to life! The TENGA Double Hole Cup is a cup with two holes that allows you to enjoy different types of sensual sensations - the Bitter Side and the Sweet Side. The Bitter Side firmly tightens while the Sweet Side gently clings to your penis. Normal use is one side at a time - but using both sides simultaneously transports you to the virtual world of a threesome!