Material: Premium-grade silicone Safety: Latex-Free · Phthalate-Free · Non-Porous Noise Factor: Silent Features: Adjustable sizing · Thick comfort band Waterproof: Yes Functions: Improved stamina · Thicker erections Lubricant type: Water-based only Max Ring Diameter: 2.25 in. Overall Length: 8 in. Ring Width: 0.75 in.   The medical-grade Quick Snap Adjustable Silicone Cock Ring has 3 snap adjustments that will go from small to large in the "snap of your fingers".  Thanks to the premium medical-grade silicone and metal construction of this erection aide, you don't have to sacrifice quality for ease or affordability. Choose to wear around your shaft or go all in with your shaft and balls, the choices are limitless.  The Quick Snap ring is designed to help create thicker and fuller erections while prolonging ejaculation for long enjoyable pleasure.