Blush Novelties Stay Hard Donut Cock Ring Cirilla's DOMINIX Deluxe Stainless Steel Doughnut Cock Ring Review [Tried & Tested] Thick Stretchy Donut Cock Ring Male Penis Erection Performance Enhancer Stainless Steel Donut Cock Ring Lace and Leather. Add some bling to your cock ring with this Nice 'n' Naughty 15mm Donut Cock Ring w Jewel! This blinged out beauty packs a serious punch of style and performance with its 8mm girth and round as a ring doughnut profile. Expertly constructed from stainless steel, this donut shaped cock ring offers a strong, snug, and comfy fit, keeping you in place. The ring had a height of 15mm and a thickness of 8mm, making this a ring you will want to show off. Available in 4 sizes for the perfect fit. Make your pleasure last longer and let this golden crowning jewel show your lover you mean business. You can use with any of your favourite lubricants, but after use clean with warm water and soap, allow to air dry, and use an antibacterial toy cleaner to keep completly hygenic! The ring does not stretch so make sure when ordering, you order the size that is right for your man! Top measuring tip: With an erect penis, take a piece of string and wrap it around the base, behind the balls. Measure this string to the nearest millimetre. This will give you the circumference, so divide this by (3. 14) for the diameter. If you are between sizes, size down for a snug fit. Brand: Nice 'n' Naughty. Colour: Gold. Size: 40mm, 45mm, 50mm, 55mm. Material: Stainless Steel, with Titanium Plasma Coating. Waterproof: Yes.