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Everlasting Duet Strap-On by Seven Creations - Pumps, Extenders and Sleeves
Everlasting Duet Strap-On by Seven Creations - Pumps, Extenders and Sleeves

Everlasting Duet Strap-On by Seven Creations

$49.99
$49.99

Seven Creations Everlasting Duet Strap-On Black revolutionizes partner play with simultaneous dual penetration capabilities, allowing wearers to maintain their own sensitivity , delivering controlled thrusting motions through the hollow construction that accommodates most sizes comfortably during extended intimate sessions.

Key Features:

Hollow dildo design allows penis insertion while providing simultaneous penetration for both partners during strap on play enhancing intimacy and shared pleasure through dual stimulation experiences.

Secondary penetrator component delivers additional vaginal or anal stimulation while the main hollow shaft accommodates the wearer creating comprehensive satisfaction for adventurous couples seeking intensified encounters.

Dual density PVC construction features soft interior surfaces for comfortable penis insertion combined with firm exterior walls that maintain structural integrity during vigorous penetration and thrusting motions.

Adjustable elastic harness system fits various body types securely ensuring stable positioning during anal and vaginal penetration while allowing natural hip movement for optimal sexual performance.

Waterproof design enables shower and bath sexual encounters while simplifying post orgasm cleaning maintaining hygiene standards essential for safe anal and vaginal penetration with sex toys.

Vendor: Seven Creations
SKU: STR-353-NOATTRIBUTES-SHOP-NONE-55414
Availability: Out Of Stock
Product type: Pumps, Extenders and Sleeves
Please hurry! Only 0 left in stock

A hollow strap-on harness that slides over your penis while positioning a secondary dildo for dual penetration. Designed for couples exploring simultaneous stimulation, it lets you maintain sensation and control while your partner receives doubled pleasure from coordinated thrusting.

Why choose the Everlasting Duet Strap-On by Seven Creations
  • Dual penetration: Two penetrators move together for synchronized stimulation
  • Your sensation preserved: Open-ended design maintains blood flow and feeling
  • Natural control: Thrust at your own pace with full hip mobility
  • Erectile support: Hollow chamber helps maintain firmness during play
  • Extended sessions: Elastic harness distributes weight evenly without pressure points
  • Dual-density construction: Soft inner lining, firm outer shell for comfort and effectiveness
  • Easy cleanup: Waterproof PVC with smooth surface, washes quickly
📦 Discreet plain-wrapped delivery  •  💳 Private billing  •  ↩️ Easy size-swap returns

What it does

Slide the hollow chamber over your penis before fastening the elastic harness around your waist and between your legs. Your cock stays inside the snug chamber, which keeps you firm while you move, and you'll feel every thrust through the thin walls. Below, a secondary dildo angles toward your partner's vagina or anus. Both penetrators work in unison as you thrust naturally, so your partner experiences doubled stimulation from two points at once.

Your penis remains fully functional inside the chamber—you can ejaculate normally and stay hard for continued play. Couples Penis Sleeves like this one are built on the principle that the penetrating partner should keep sensation and control. Dual-density PVC means the exterior stays firm for effective penetration while the interior stays soft against your skin. You'll maintain natural hip movements without the harness shifting, making rhythm and depth something you control completely.

Specifications

  • Total length: 6.5 inches with 6 inches insertable depth
  • Hollow chamber diameter: 1.5 inches
  • Secondary penetrator width: 0.5 inches
  • Material: Dual-density PVC with soft interior and firm exterior
  • Harness: Universal elastic, adjusts 28–48 inch waist circumference
  • Waterproof: Yes, with smooth easy-clean surface

Safe, gradual use

Start slowly with gentle thrusting to let both partners adjust to dual penetration. Communication is crucial—check in regularly about pressure, depth, and comfort at both insertion points since the dual stimulation can intensify sensations quickly. You don't need to be fully hard when you start; the snug chamber will help maintain your erection once the harness is secured. Use water-based lubricant on both penetrators and reapply as needed. Cockringshop specialise in products for men and couples exploring new sensations, and this design suits those with some experience in partnered penetration play.

How to use it

Before play, position yourself so the harness sits comfortably around your hips. Slide the hollow chamber over your penis, then secure the elastic straps around your waist and between your legs. Adjust the harness so both penetrators align properly with your partner's openings. Apply water-based lubricant generously to both the chamber interior and the secondary dildo.

Begin with slow, shallow thrusts to gauge comfort for both of you. Your partner can guide depth and rhythm feedback to you. The weight distribution across the harness lets you maintain natural hip movements without it shifting during activity. After play, rinse both penetrators thoroughly under warm water and dry completely before storage. Keep it away from extreme heat and store in a cool, dry place.

Feature breakdown

Feature Specification Benefit Experience
Hollow Chamber 1.5" diameter, open-ended design Maintains wearer sensation and blood flow Natural feeling with enhanced firmness
Secondary Penetrator 0.5" width, firm construction Simultaneous dual stimulation for partner Coordinated thrusting motion
Dual-Density Design Soft interior, firm exterior Comfort during extended wear and effective penetration Balanced flexibility and support
Universal Harness 28–48" adjustable elastic Secure positioning during activity Even weight distribution, no pressure points

Who it suits

This harness is ideal for couples exploring dual penetration fantasies where the penetrating partner wants to keep sensation and control. Men managing erectile concerns benefit from the supportive chamber design, which helps maintain firmness. Anyone seeking added girth and length will appreciate the size enhancement. Your body type matters less here—the universal harness accommodates most waist sizes comfortably.

Skip this if you're uncomfortable with close-fitting devices around your penis or if either partner is new to penetration. Dual stimulation can be overwhelming for inexperienced users. You'll need open communication about pressure and depth since two insertion points are involved. If your partner hasn't experienced double penetration before, take time to build up gradually with plenty of lube and patience.

Tested and quality-checked

Every new line we stock is inspected by hand before it goes live — we check the build, the finish, and the materials, and we confirm it is safe and fit for how it will be used. Nothing is used for its intended purpose; it is examined, checked, and re-boxed. What that means for you is simple: you receive a piece we have already vetted, not a guess off a supplier's pallet. See how we test every product →

How it compares

Thickening Cock Sleeves add girth and length for single penetration while you keep full sensation. They're simpler—no harness, no second penetrator—and suit partners who want size enhancement without the complexity of coordinated dual entry. A strap-on like the Everlasting Duet adds a second insertion point, so your partner feels doubled stimulation. Choose a basic sleeve if you want straightforward thickness; choose a harness strap-on if you and your partner want simultaneous penetration at two points.

Please read — safety first. Put the ring on before you are fully erect and use plenty of water-based lubricant so it slides on without pinching. Keep wear time short — no more than 20 minutes while you are getting used to it, and never fall asleep wearing one. Take it off straight away if you feel numbness, coldness, a change in colour, or any pain, as these mean blood flow has been cut off too far. Never share between partners without cleaning the item first or using a fresh condom. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. This information is general in nature only and is not medical or professional advice, and does not take your personal circumstances into account. Stop use and speak with a qualified medical professional if you have a relevant health condition, take medication for erectile function or blood pressure, or notice pain, numbness, or discolouration that does not settle.

What you can use it with

Pair this harness with Couples Intimacy Kits that include complementary items like vibrators or additional sex toys. Vibrators can work alongside the strap-on to add extra stimulation for your partner or yourself during play. Kits designed for couples often include multiple items that layer sensations together, letting you build intensity gradually and explore different combinations as you get more comfortable with dual penetration.

More from Seven Creations

Seven Creations makes a range of dual-function sex toys and harnesses built for couples and men seeking enhanced sensation or support. Browse their full collection to find other strap-ons, sleeves, and penetration aids designed with real bodies and real use in mind.

Read more before you buy

Want to understand extenders and sleeves better before deciding? Penis Extenders on the Adultsmart blog covers how these work, what to expect, and which type suits different needs and experience levels.

Why buy the Everlasting Duet Strap-On by Seven Creations

Ready to buy with your size sorted? Order the Everlasting Duet Strap-On by Seven Creations from The Cock Ring Store. It's genuine, function-tested, and quality-checked. Cockringshop ships discreetly in plain packaging so your purchase arrives privately. Real fit advice, body-safe materials, and plain-packaged shipping. The Cock Ring Store ships discreetly Australia-wide.

Shipping Information & Policy


Cockringshop.com.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.

Returns Policy


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, cockringshop.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

Frequently Asked Questions

How does the Seven Creations Everlasting Duet Strap On Black provide dual stimulation during penetration?
The hollow design accommodates penis insertion while the secondary penetrator simultaneously stimulates the receiving partner creating shared sensations that enhance arousal and orgasm intensity for both participants during intimate encounters.
What makes the Seven Creations Everlasting Duet Strap On Black effective for couples seeking enhanced penetration?
Dual density construction delivers optimal balance between interior softness for penis comfort and exterior firmness for effective vaginal or anal penetration ensuring sustained performance during extended sexual sessions.
Why is the Seven Creations Everlasting Duet Strap On Black superior for strap on experiences?
Unlike traditional strap on dildos this design enables the wearer to experience direct stimulation through the hollow shaft while simultaneously providing penetration creating mutual pleasure and stronger orgasmic connections.
Which body areas does the Seven Creations Everlasting Duet Strap On Black target during use?
It stimulates the penis through hollow shaft insertion while the secondary component targets vaginal or anal areas delivering comprehensive stimulation that can trigger intense orgasms in multiple erogenous zones.
Does the Seven Creations Everlasting Duet Strap On Black accommodate different penis sizes during penetration?
Flexible hollow interior adapts to various penis dimensions while maintaining secure fit ensuring comfortable insertion and sustained stimulation throughout sexual activity without restricting natural arousal or orgasm responses.

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Why Shop With the Cock Ring Shop?

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!