Size Doctor Penis Enlargement System targets men seeking genuine size gains through clinically validated vacuum traction technology that stimulates natural cellular growth during consistent daily application sessions for measurable enhancement results.
Key Features:
Medical grade vacuum based traction technology stimulates natural cellular growth and tissue expansion through controlled pressure application for measurable penis length and girth enhancement results.
Comprehensive system includes precision engineered extender body with valve control plus eighteen extension bars and six girth fixing bands for customizable penis enlargement programs.
Clinically validated enhancement method uses sustained gentle tension to trigger cytokinesis cellular multiplication process that naturally increases penile tissue development and erection quality.
Premium construction features medical grade ABS plastic with silicone components and aircraft grade aluminum bars ensuring safe comfortable extended wear during enhancement sessions.
Complete enhancement solution addresses multiple penis improvement goals including length development girth expansion curvature correction and improved blood flow for stronger erections.
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Size Doctor's Penis Enlargement System combines vacuum-based traction with precision extension bars to stimulate gradual length and girth development over months of consistent use. Built for men willing to commit to daily sessions and realistic about progressive results.
Why choose the Penis Enlargement System by Size Doctor
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
The system works by creating negative pressure around your penis with the vacuum chamber, drawing blood into the tissue while the extension bars apply gentle stretching force along the shaft. This combination triggers the body's natural cellular response—sustained tension activates tissue expansion and new cell growth in targeted areas. You'll feel a gentle pulling sensation that builds as the vacuum seal engages, creating persistent pressure that promotes circulation throughout each session.
Extended sessions activate your body's healing response, encouraging cellular division over time. Most users notice improved hardness and increased girth alongside length gains as blood flow increases. The graduated extension bars let you advance progressively as your tissue adapts, so you're not forcing growth—you're supporting it. Penile Growth Extenders work best when used consistently over 3–6 months for optimal results.
Start conservatively and build up slowly—begin with 30–45 minute sessions, then increase to 2–3 hours daily as your tissue adapts and comfort improves. Monitor pressure throughout use and release the vacuum immediately if you feel genuine discomfort. Consistency matters far more than intensity; three to six months of regular sessions yields real results. Avoid this system if you have circulatory disorders, diabetes complications, or healing difficulties. Cockringshop specialises in products for men and couples, and we recommend honest assessment of your ability to commit to daily use before starting—this system isn't designed for casual or sporadic application.
Apply the silicone base ring around your penis and testicles, ensuring a comfortable but secure fit. Insert your penis into the vacuum chamber, then activate the manual pump gradually until you achieve moderate suction. Attach the initial extension bars to establish your baseline traction, then gradually increase both vacuum pressure and extension length as your tissue adapts over successive sessions.
Maintain each session for your chosen duration—30 to 45 minutes initially, building toward longer periods as comfort allows. Monitor the pressure gauge throughout and adjust as needed. After each session, clean all components thoroughly with antibacterial solution to prevent bacterial growth and maintain hygiene.
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| Vacuum chamber | 2.5" medical-grade ABS | Increased blood engorgement and circulation | Gentle drawing sensation as seal engages |
| Extension system | 18 graduated bars (0.5–4cm increments) | Progressive length development over months | Customisable traction control at your pace |
| Girth bands | Six silicone sizes | Circumference expansion and secure positioning | Comfortable, stable fit throughout sessions |
| Pressure gauge | Manual pump with quick-release valve | Safe, controlled application with precision | Easy adjustment and immediate release if needed |
This system is for men committed to long-term enhancement who understand that genuine results require months of dedicated daily use. You'll get the most from it if you have realistic expectations about gradual progress rather than instant transformation. It's ideal if you want both length and girth development simultaneously and are willing to invest time into consistent application.
Skip this system if you're looking for quick fixes or can't commit to a daily routine. Men seeking instant results or those unwilling to maintain consistent use will find it unsuitable. If you have circulatory disorders, diabetes complications, or healing difficulties, consult a doctor before use.
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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 → |
Vacuum and extension systems like this one apply gentle, sustained traction through graduated bars you adjust over time, building results progressively as tissue adapts. Penile Noose Traction Extenders use a different approach—a noose mechanism applies constant tension without the vacuum chamber. Both work, but vacuum systems offer dual stimulation (blood draw plus stretch), while noose extenders focus primarily on traction alone. Choose based on whether you prefer the combined effect or a simpler tension-only design.
| 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. 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. |
Pair this system with Couples Intimacy Kits if you're using it as part of shared sexual exploration. Cock rings worn during or after extension sessions can enhance erection quality and maintain the improved blood flow you've developed, making them a natural complement to your enlargement routine. This combination works well for couples wanting to incorporate enhancement into partnered sex.
Size Doctor specialises in medical-grade enhancement systems backed by clinical research. Size Doctor offers a range of precision-engineered products designed for men serious about long-term development and measurable results.
Before committing to an extension system, understand how these devices work and what realistic timelines look like. Penis Extenders offers detailed information on choosing the right approach for your goals.
Looking for the right fit and the right material? Order the Penis Enlargement System by Size Doctor from The Cock Ring Store—it's genuine, function-tested, and quality-checked for safety and performance. Cockringshop ships discreetly in unmarked packaging so your enhancement journey stays private. The specialist store for rings, cages, and male enhancement — discreetly delivered. The Cock Ring Store ships discreetly Australia-wide.
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.
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
We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.
All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!
We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!
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