Enhance your member with the most convenient and manageable cock rings available. These TitanMen Tools Cock Rings stretch to fit with the aid of easy to grip side tabs. Each set contains 4 rings ranging in size from 0.4 to 0.75 un-stretched. The largest flexible ring can accommodate up to a 3 diameter shaft. The rings are easy to place and remove, even with slippery hands, because each tab features a thick border, allowing the rings to be adjusted with ease. The TitanMen Tools Cock ring set is made of non-phthalate TPR. Extra Large: Total Length 2.87 inches Inside Diameter .90 inches Stretches up to 3.5 inches Large: Total Length 2.66 inches Inside Diameter .60 inches Stretches up to 3 inches Medium: Total Length 2.5 inches Inside Diameter .50 inches Stretches up to 2.5 inches Small: Total Length 2.3 inches Inside Diameter .40 inches Stretches up to 2 inches