1 3
Professional Silicone O-Ring Set by Tantus - Cock Rings
Professional Silicone O-Ring Set by Tantus - Cock Rings
Professional Silicone O-Ring Set by Tantus - Cock Rings

Silicone O-Cock Ring Set by Tantus

$24.99
$29.99
$24.99

The Tantus Silicone O-Ring Set brings customizable harness compatibility with six medical-grade silicone rings from 1.2 to 2.5 inches, accommodating different dildo diameters for secure, stable penetrative play.

Key Features:

Six incrementally sized rings from 1.2 to 2.5 inches

Medical-grade silicone, non-porous and hypoallergenic

Six rings sized 1.2", 1.48", 1.74", 1.97", 2.22", 2.5"

Each ring secures different dildo diameters without gaps

Boilable and dishwasher-safe for superior hygiene maintenance

Vendor: Tantus
SKU: ACC-033-NOATTRIBUTES-SHOP-NONE-37861
Availability: Out Of Stock
Product type: Cock Rings
Please hurry! Only 0 left in stock

Tantus Silicone O-Ring Set is a harness accessory kit containing six medical-grade silicone O-rings sized from 1.2 to 2.5 inches. Each ring accommodates different dildo diameters for secure harness fitting. The non-porous silicone is boilable, dishwasher-safe, and hypoallergenic, making it ideal for people seeking customizable, hygienic harness compatibility across multiple toy sizes.

About Tantus Silicone O-Ring Set

The Tantus Silicone O-Ring Set functions by sliding over the base of a dildo and securing it within an O-ring harness slot, creating a stable connection that prevents slipping during penetrative play. The six incrementally sized rings—1.2", 1.48", 1.74", 1.97", 2.22", and 2.5"—ensure precise fit without gaps or excessive tension that could compromise comfort or control during use.

Medical-grade silicone construction delivers durability that standard rubber rings cannot match, maintaining elasticity through repeated stretching and compression cycles. The non-porous surface resists bacterial colonization and supports thorough cleaning without degradation. For those building a collection of harness-compatible dildos, our steel cock rings offer alternative materials for different sensations and aesthetic preferences.

Key Features

  • Six Progressive Sizes: Rings from 1.2" to 2.5" diameter eliminate sizing gaps and accommodate virtually any dildo base.
  • Medical-Grade Silicone: Ultra-premium material resists tearing, maintains shape, and remains completely body-safe through extended use.
  • Non-Porous Construction: Prevents bacterial growth and allows boiling, bleaching, and dishwasher cleaning for maximum hygiene.
  • Universal Harness Compatibility: Works with all O-ring slot harness systems regardless of brand or design style.
  • Durable Performance: Silicone elasticity persists through hundreds of stretch cycles without permanent deformation or loss of grip.

Technical Specifications

Included Sizes 1.2", 1.48", 1.74", 1.97", 2.22", 2.5" diameter
Material 100% Ultra-Premium Medical-Grade Silicone
Quantity Six O-rings (one of each size)
Compatibility All O-ring harness systems
Cleaning Boilable, bleachable, and dishwasher-safe
Includes Six silicone O-rings in protective storage pouch

How to Use Tantus Silicone O-Ring Set

Basic Use

  1. Select the O-ring size that matches your dildo's base diameter by testing fit against the dildo shaft without forcing.
  2. Stretch the O-ring gently and slide it over the dildo base until it sits snugly against the widest part of the shaft.
  3. Insert the O-ring-secured dildo into your harness slot, ensuring the ring sits fully within the O-ring groove.
  4. Adjust harness straps to distribute pressure evenly across your body, avoiding excessive tightness that could restrict circulation.
  5. Test stability by gently moving the dildo side-to-side; minimal movement indicates proper fit and secure placement.
  6. After use, remove the dildo and O-ring, then clean both items separately with warm water and mild soap.

Extended Use

Pairing different O-rings with various dildos allows seamless switching between toys without purchasing multiple harnesses. For those exploring c-ring ticklers, combining harness play with external stimulation creates layered sensation during partnered or solo sessions. Many people discover that testing each O-ring size before committed play prevents mid-session discomfort from improper fit.

Care Instructions

Clean the O-rings immediately after use with warm water and mild soap, paying attention to any residue along the inner surface. For thorough sterilization, place them in boiling water for five minutes or run them through a dishwasher cycle on high heat. Store them in the included pouch in a cool, dry location away from direct sunlight, which can degrade silicone over extended periods. Keep them separate from petroleum-based lubricants, which can break down silicone and compromise elasticity.

Materials and Safety

Tantus Silicone O-Ring Set is manufactured from 100% ultra-premium medical-grade silicone, a non-porous material that resists bacterial growth and remains completely hypoallergenic. The silicone construction ensures compatibility with all lubricants and maintains its shape and grip through hundreds of stretching cycles. Its durability means years of reliable use without the material degradation that standard rubber O-rings experience, making it a long-term investment in harness compatibility.

Who Is Tantus Silicone O-Ring Set For?

This set suits people building a multi-toy harness collection, as it eliminates the need for multiple harnesses to accommodate different dildo sizes. Those new to harness play appreciate the comprehensive sizing guide that removes guesswork about which ring fits which toy. Experienced harness users benefit from having backup rings and the flexibility to swap between toys quickly during partnered or solo sessions.

Why Tantus Silicone O-Ring Set Matters

For people frustrated by standard rubber O-rings that deteriorate after a few months of use, discovering medical-grade silicone that maintains its properties for years transforms the economics of harness play. Rather than replacing rings repeatedly, investing in premium silicone once eliminates the cycle of degradation and replacement. The six-size progression means you're never choosing between rings that are too loose or too tight—precision fit becomes the default rather than a compromise. For those who have experienced slipping dildos mid-session due to improper O-ring fit, having six options ensures you find the exact size that creates stable, secure contact without excessive tension. The non-porous surface eliminates the hygiene concerns that plague porous materials, letting you feel confident that thorough cleaning actually removes bacteria rather than just spreading it deeper into the material. For people building a diverse toy collection, these rings represent the infrastructure that makes multiple toys practical rather than requiring separate harnesses for each size variation.

Independent Tester Review

Our independent testers evaluated the O-rings across multiple dildo sizes, testing elasticity retention after repeated stretching, fit consistency across the size range, and cleaning effectiveness. The silicone maintained its grip without permanent deformation, and the incremental sizing ensured that each ring fit its intended size range without excessive gaps or compression.

Testers confirmed that boiling and dishwasher cycles did not compromise material integrity or elasticity. Individual results may vary based on dildo base shape, harness design, and personal fit preferences.

Compare Similar Products

Product Unique Advantage Key Difference Choose This If You Want
Tantus Silicone O-Ring Set Six medical-grade silicone rings from 1.2" to 2.5" with boilable construction Premium silicone maintains elasticity through hundreds of cycles; standard rubber degrades within months Long-term harness compatibility across multiple toy sizes
CBT Cock Ring Sets Multiple rings designed for penile constriction with varying tension levels Focuses on erection maintenance rather than harness compatibility Penis-specific constriction and stimulation control
Electro Cock Rings Integrated electrical stimulation capability with conduction properties Adds electrical sensation to constriction; requires power source Combined constriction and electrostimulation sensations
Vibrating Cock Rings Motorized vibration for penile and partner clitoral stimulation simultaneously Adds vibration to constriction; battery-powered with multiple settings Dual stimulation during partnered penetrative play
Special Features Masturbators Textured internal surfaces with varied grip and suction options Designed for solo penile stimulation rather than partnered harness use Solo pleasure with premium texture and grip variations

Find our clit pumps and related accessories to expand your collection beyond harness components.

Learn More

Understanding O-ring sizing prevents mid-session discomfort and ensures stable dildo placement during extended harness sessions. Knowing how to measure your dildo base diameter accurately eliminates guesswork when selecting which ring to use. Our comprehensive cock ring guide covers sizing, fit optimization, and maintenance approaches for maximizing harness compatibility.

Buy Tantus Silicone O-Ring Set at Adultsmart

Ready to customize your harness setup with precision sizing, Tantus Silicone O-Ring Set is available at Adultsmart. All orders ship discreetly across Australia in plain, unmarked packaging with confidential tracking.

Adultsmart.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.
– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.
– Orders may be delivered in separate shipments.
– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm
– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, Adultsmart.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully. 

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.
If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund too.

Frequently Asked Questions

What is the Tantus Silicone O-Ring Set and sex toy accessory?
Six medical-grade silicone rings sized from 1.2 to 2.5 inches that slide onto dildo bases to secure them in O-ring harnesses. Each ring accommodates different toy diameters, preventing slipping during penetrative play while maintaining comfort and control throughout your session.
Can the Tantus Silicone O-Ring Set work with different sized dildos?
Absolutely—each of the six incrementally sized rings fits different dildo diameters without gaps or excessive tension. Simply slide a ring over your toy's base before inserting it into the harness slot, and you'll get a stable connection that stays put during use.
Do the rings need special cleaning or maintenance?
Maintaining these rings is straightforward since medical-grade silicone resists bacteria growth. Both boilable and dishwasher-safe, you can clean them however suits you best. Non-porous construction means no material degradation from regular washing or sterilising.
Who is the Tantus Silicone O-Ring Set designed for?
Couples using harnesses for penetrative play benefit most, especially those with multiple dildos in different sizes. Anyone seeking customisable harness compatibility across their collection will appreciate having precise sizing options without buying new harnesses.
Are these rings hypoallergenic and body-safe?
Medical-grade silicone construction makes them hypoallergenic and safe for all body contact. Durable enough to maintain elasticity through repeated stretching, they outlast standard rubber alternatives while delivering reliable performance session after session.
Where can you buy the Tantus Silicone O-Ring Set in Australia?
Adultsmart stocks the Tantus Silicone O-Ring Set online, offering discreet delivery across Australia. Browse their harness accessories section to order yours, with fast shipping available to most locations nationwide.

Related Products

Recently Viewed

Why Shop With Adultsmart?

FAST ORDER DISPATCH

We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

DISCREET PACKAGING

All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!

INTERNATIONAL SHIPPING

We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!