The Tread Cock Ring helps restrict blood flow to help maintain an erection and prolong orgasm. Perfect for extended sessions. The semi stretchy material will give just enough. Coupled with a powerful one speed bullet housed in an enticing clit tickler that will stimulate her pleasure button while you work her over for hours. Simply fit the cock ring over the shaft and behind the testicles. The ring will stay in place during even the most rowdy of adventures. With this double dealing cock ring, you are both sure to arrive at your destination in complete satisfaction. Measurements: 2.3 inches outer diameter, 1 inch inner diameter unstretched, 1.25 inches in width. Material: TPR, ABS plastic. Color: Black. Note: Requires (3) LR44 tab batteries, included