Doc Johnson OptiMALE C-Ring 50mm Black Silicone

What the OptiMALE C-Ring 50 mm is

The OptiMALE C-Ring 50 mm is a one-piece silicone ring for adults, sold by Doc Johnson under its OptiMALE label and supplied in a sealed black carton with a hanging tab. The carton front carries three pieces of information and no more: the OptiMALE wordmark, the designation C-Ring - 50 mm, and the single-word material statement Silicone. Everything described on this page comes from that carton or from general knowledge about how solid silicone behaves — there is no battery, no motor, no charging port and no electronic component of any kind.

It is the plainest possible shape in this category: a continuous, thick-walled ring with a smooth, rounded, uninterrupted profile and no seam, texture, nub or ridge anywhere on its surface. The finish is a flat, matte charcoal-black. Nothing clips, buckles, adjusts or comes apart — there is simply nothing on it that can pinch, snag or need replacing.

About the silicone

Silicone is the material the carton names, and it is the reason this ring behaves the way it does. It is a synthetic rubber — a flexible polymer built on a silicon-and-oxygen backbone rather than a carbon one — and it is the same broad family of material used for kitchen bakeware, medical tubing and swimming goggles. Two of its properties matter for an item worn against the body.

The first is that solid silicone is non-porous. It has no open microstructure for moisture or residue to soak into, so it does not absorb what it touches and it can be washed back to a genuinely clean surface rather than merely a wiped one. That is the practical difference between silicone and the cheaper porous jelly and PVC blends this category used to be full of.

The second is that silicone has real stretch and real memory. It gives under tension and returns to its moulded shape afterwards rather than staying stretched out, which is what allows a fixed, non-adjustable ring to be put on and taken off at all. It is also temperature-stable and chemically inert, so it does not go sticky, chalky or brittle with age the way some softer elastomers do.

Sizing: what the 50 mm refers to

50 mm is the size designation printed on this carton, and it is roughly 1.97 inches — just under two inches. OptiMALE numbers the rings in this line by this figure, and the number is the single thing that distinguishes one ring in the range from the next, since the shape, colour and material are otherwise shared. Within the OptiMALE C-Ring range, 50 mm sits at the roomier end rather than the snug end.

Because the ring does not adjust, the size figure is the entire fitting decision, and it is worth taking a moment over rather than guessing. A ring that is too small is uncomfortable immediately; a ring that is too large simply slides and does nothing useful. If you are buying your first one, sizing toward the generous end is the far more forgiving mistake of the two. Many people measure with a soft tailor's tape, or with a strip of paper marked and then held against a ruler, before settling on a figure.

Using it and looking after it

A ring of this kind is rolled or stretched gently into position rather than forced, and a small amount of lubricant on the inner surface makes that considerably easier. Choose a water-based lubricant. Silicone-based lubricant should be kept away from silicone items as a general rule, because the two can interact over repeated contact and leave the surface tacky or degraded; water-based formulas have no such interaction and rinse off cleanly afterwards.

Cleaning is straightforward, and the method is covered in the FAQ below. For storage, keep it dry, out of direct sunlight, and ideally not pressed hard against other silicone items for long periods, since prolonged silicone-on-silicone contact can mark a soft surface. A cloth pouch or its own corner of a drawer is plenty. The care routine set out here is the standard one for solid silicone accessories generally.

Who it suits

This is a good fit for an adult who wants the simplest version of this accessory and nothing else bolted on. There is no vibration to charge, no app, no remote and no controls. If you want a motorised device, this is not it. If you want one solid, washable, quiet object with no electronics to fail or recharge, this is squarely it.

It also suits someone sizing up. Fifty millimetres is a forgiving figure, so people who have found narrower rings uncomfortable often land here. Browse the rest of the rings range if you want to compare diameters side by side, or the wider men's gear section for related accessories. As with everything in this category, it is sold to adults 18 and over only.

Good to know

• Fit should be snug but never tight. If you feel pinching, numbness, tingling, coldness or any colour change, remove it straight away.
• Keep wear time short and sensible, and never wear a ring while asleep or while drinking alcohol.
• Use water-based lubricant only. Avoid silicone lubricant on silicone items.
• Do not use if the silicone is split, nicked or damaged, and inspect it before each use.
• Speak to a licensed healthcare professional before use if you have any circulatory or bleeding condition, nerve problems, diabetes, or take blood-thinning medication.
• Keep out of reach of children. For adult use only.

Frequently Asked Questions

What does the 50 mm measurement mean on this ring?

50 mm is the size designation printed on the OptiMALE C-Ring carton, and it works out at approximately 1.97 inches — just under two inches. It is the only figure printed on the pack and it is what separates this ring from the other sizes in the OptiMALE range, which otherwise share the same shape, black colour and silicone material. The ring itself is fixed and does not adjust, so this number is the whole fitting decision.

What is the OptiMALE C-Ring made of?

It is moulded from silicone, which the carton states as the material in a single word beneath the product name. Solid silicone is non-porous, meaning it does not absorb moisture or residue and can be washed back to a clean surface, and it is chemically inert and temperature-stable. That combination is why silicone is the standard material for washable, long-lived items in this category.

What lubricant can I use with it?

Use a water-based lubricant with this ring and avoid silicone-based formulas. Silicone lubricant can interact with silicone items over repeated contact and leave the surface tacky or degraded, while water-based lubricant has no such effect and rinses off completely under warm water. A small amount on the inner surface also makes the ring far easier to put on and take off.

How do I clean and store it?

Wash it with warm water and a mild unscented soap, or a dedicated accessory cleaner, both before first use and after every use. Rinse thoroughly, pat it dry with a lint-free cloth and let it air-dry completely before storing it somewhere dry and out of direct sunlight. Because silicone is non-porous there is nothing to scrub out of the surface, so a brief wash is sufficient.

How is this order packaged for delivery?

Every order ships in plain, unmarked outer packaging with no product images, brand names or category wording printed on the outside. The sender line and the billing descriptor are generic. Inside, the ring arrives in its own sealed black OptiMALE carton.

Product information compiled and reviewed by the Gear Isle product team. We transcribe product specifications directly from manufacturer packaging. Found an error? Tell us.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Adult novelty device for adults 18 and over. Consult a licensed healthcare professional before use, especially if you have a medical condition. Keep out of reach of children.