the Amour Premium Silicone Dual Support Vibrating Cock Ring Is Made From Pure Silicone For Maximum Comfort. The Brushed Silicone Dual Vibro Cock Ring Feels Sensuously Soft And Is Totally Unscented. Unlike Cheaper Versions Available, This Amour Premium Silicone Dual Support Vibrating Cock Ring Features A Powerful And Removable Waterproof Bullet For Maximum Vibrations Throughout The Dual Rings. Place The Larger Ring Around Your Scrotum And The Smaller, Inner Ring Around The Base Of Your Shaft. The 2 Rings Have An Internal Diameter Of 0.9 Inches And 1.7 Inches, Fitting Most Sizes.