The Five Joint Urethral has a length is 5 1/3 inches (14cm). It features 5 steps or joints of increasing widths. The step widths start at 0.2 inch (0.6cm). Then expanding to .027 inches (0.7cm), .0.31 inches (0.8cm), 0.39 inches (1cm) and 0.47 inches (1.2cm). The plug is made of solid surgical stainless steel for safe and hygienic urethral stimulation. It comes packaged in a plastic storage case.