The Strict Double Penetration Strap On Harness provides three interchangeable silicone dildos for dual penetration, featuring a 7-inch primary shaft with adjustable PU leather harness for 25–41 inch waists, enabling couples to explore partnered stimulation.
Key Features:
Three interchangeable silicone dildos for dual penetration configurations
Premium PU leather harness with secure O-ring mounting system
Primary dildo 7 inches insertable length, 1.6 inches diameter
Adjustable harness fits waist circumference 25–41 inches
Quick-release buckles enable rapid fitting adjustments during play
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The Strict Double Penetration Strap On Harness is a premium PU leather harness system with three interchangeable silicone dildos designed for couples exploring dual penetration. The primary dildo measures 7 inches insertable length with 1.6 inches diameter, while vaginal and anal options provide 5 inches and 3.8 inches respectively. The adjustable harness accommodates 25–41 inch waist circumference, making it suitable for varied body types seeking versatile partnered play.
The Strict Double Penetration Strap On Harness functions through a secure O-ring mounting system that holds three distinct silicone dildos in strategic positions. The wearer controls depth, angle, and pressure through harness adjustment and positioning, while the interchangeable dildos allow configuration changes between sessions or within a single encounter. The quick-release buckle system enables rapid fitting adjustments without removing the entire harness.
Premium-grade silicone construction offers firmness balanced with flexibility, warming naturally to body temperature during use. The non-porous surface supports thorough cleaning and maintains its texture through repeated use. Those seeking additional penetration options can explore our dildo materials collection at Adultsmart for complementary additions.
| Harness Material | Premium PU leather with soft inner lining |
| Dildo Material | Medical-grade silicone (non-porous) |
| Primary Dildo Dimensions | 7 inches insertable length, 1.6 inches diameter |
| Vaginal Dildo Dimensions | 5 inches insertable length, 1.4 inches diameter |
| Anal Dildo Dimensions | 3.8 inches insertable length, 1.4 inches diameter |
| Waist Adjustment Range | 25–41 inches with crotch strap extending 20–23 inches |
| Fastening System | Metal buckles with quick-release mechanism |
| Includes | Harness, three silicone dildos, interchangeable O-rings |
Combining the Strict Double Penetration Strap On Harness with glass dildos creates layered sensations through temperature play, as glass conducts heat or cold differently than silicone. Many couples discover that alternating between the three included dildos within a single session creates varied stimulation that sustains interest across longer encounters. Pairing this harness with external vibrators or wand massagers adds clitoral or penile stimulation that intensifies the overall experience.
After each use, clean all silicone dildos with warm water and mild soap, ensuring complete removal of lubricant residue. The harness can be wiped clean with a damp cloth and allowed to air dry completely before storage. Store the system in a cool, dry location away from direct sunlight to preserve the PU leather's suppleness and prevent material degradation over time.
Medical-grade silicone construction ensures the dildos remain body-safe and hypoallergenic for all anatomies. The non-porous surface prevents bacterial growth and supports thorough cleaning between uses. Premium PU leather provides durability and flexibility while the soft inner lining prevents irritation during extended wear sessions. The metal buckles resist corrosion and maintain structural integrity through repeated use and cleaning cycles.
This harness suits couples exploring penetrative play together, particularly those seeking hands-free options or role-reversal scenarios. The adjustable fit accommodates varied body types, making it accessible regardless of size or shape. Experienced couples appreciate the versatility of three interchangeable dildos and the ability to customize configurations based on preference. Those comfortable with communication and negotiation find the harness enables new dimensions of partnered intimacy without requiring extensive equipment knowledge.
For couples who have felt limited by single-penetration options or found that conventional approaches feel one-dimensional, simultaneous dual penetration creates sensation pathways that neither partner experiences alone. The harness transforms what might feel like awkward positioning into controlled, repeatable pleasure that both participants can anticipate and adjust. For partners who have wondered whether double penetration might work for their bodies, discovering that the three included dildos offer graduated sizing removes uncertainty about comfort and fit. The interchangeable design means couples aren't locked into one configuration—they can explore which combination resonates most strongly for their bodies and preferences. What once felt like an intimidating fantasy becomes manageable through thoughtful harness design and measured progression. For those accustomed to conventional partnered sex, discovering the intensity and novelty of simultaneous penetration often reframes what shared pleasure can encompass.
Our independent testers evaluated the harness fit across multiple body types, buckle security during varied movements, and dildo positioning stability throughout extended sessions. The adjustable waist range accommodated all test participants without slipping or requiring constant repositioning.
Testers reported that the padded inner lining prevented chafing even during 45-minute sessions, while the quick-release buckles enabled mid-session adjustments without full harness removal. The silicone dildos maintained firm positioning within the O-ring system across all tested positions. Individual results may vary based on anatomy, sensitivity, and usage.
| Product | Unique Advantage | Key Difference | Choose This If You Want |
|---|---|---|---|
| Strict Double Penetration Strap On Harness | Three interchangeable dildos with graduated sizing from 3.8–7 inches | Only system with three distinct options for varied penetration depths | Flexible dual penetration with multiple configuration options |
| Thrusting Dildos | Motorized movement creates automatic motion without manual thrusting | Battery-powered rather than harness-dependent, single dildo with mechanical action | Hands-free or reduced-effort penetration with consistent rhythm |
| Steel Anal Play Dildos | Metal construction conducts temperature and provides substantial weight | Non-porous steel offers different sensation than silicone with heating or cooling potential | Temperature-responsive anal play with premium material feel |
| Jelly Dildos | Softer, more flexible material adapts to body contours during penetration | Porous jelly requires more careful cleaning and offers different tactile sensation than silicone | Gentler penetration with maximum flexibility and body conformity |
| Double-Ended Dildos | Single toy accommodates simultaneous penetration of both partners without harness system | Requires specific positioning and body contact rather than hands-free harness control | Partnered penetration without equipment, emphasizing direct body-to-body contact |
Explore our extra-long dildos collection to discover additional options for deeper penetration preferences beyond the included sizes.
Couples new to strap-on play often benefit from understanding how harness positioning, dildo selection, and communication create successful experiences that feel satisfying for both partners. Starting with graduated dildo sizes allows bodies to adjust gradually rather than attempting maximum depth immediately. Our guide to choosing strap-ons for couples offers detailed approaches and techniques for discovering what works best for your relationship dynamic and physical preferences.
The Strict Double Penetration Strap On Harness combines premium PU leather construction with three interchangeable silicone dildos. Available through Adultsmart with discreet Australia-wide shipping in plain packaging.
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..
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.
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.
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.