In the shape of an octagon, with eight fantastic sides and eight awesome angles, The Cocktagon will keep your erection firm and ready for action. Fit it to the base of your erect penis to restrict blood flow, giving you a harder, longer session. With three different size Cocktagons to play with, this set is perfect for those about to rock! Made using body safe materials Silicone. Measurements 1 inch, 1.2 inches and 1.4 inches.