Medical-grade steel urethral sound with five graduated bumps for progressive stimulation. Hollow cum-through design maintains natural function.
Key Features:
Five graduated bumps create progressive building sensation waves
Medical-grade surgical steel ensures complete sterilization and durability
Hollow cum-through design maintains natural function during play
Polished surface glides smoothly with proper lubrication
Integrated glans ring keeps plug secure during sessions
The Bumper Penis Plug Cum Thru 5 mm by BDStyle is a medical-grade steel urethral sound with five graduated bumps that create progressive stimulation as you insert deeper. The hollow design lets you maintain natural function while experiencing intense internal sensation. It's built for experienced sound players seeking complex, layered pleasure.
The Bumper Penis Plug Cum Thru 5 mm by BDStyle is a stepped urethral sound made to deliver progressive internal stimulation through its unique graduated bumps. Each bump increases in diameter, so insertion depth determines how intense the sensation becomes. Unlike straight penis plugs, this design creates a rhythmic pressure profile that shifts and builds with every movement during your session.
Medical-grade surgical steel construction means this sound can be sterilised completely and will not corrode or degrade over years of use. The polished surface glides smoothly with adequate lubricant, and the hollow core keeps your natural function intact while delivering targeted internal pressure. The integrated glans ring anchors the plug securely at the tip of your penis, giving you precise control over depth and positioning.
Start with plenty of sterile lubricant—water-based works well with steel and washes away cleanly. Apply lube generously to the tip and first bump, then guide the plug gently into the urethra at your own pace. The 5 mm opening is manageable for most men, but do not rush; let your body adjust before pressing deeper. If you want to explore different sensations, Vibrating Penis Plugs offer electrical stimulation once you are comfortable with sounding basics.
Your first session should be short—fifteen to thirty minutes—to let you learn how each bump feels and where your comfort threshold sits. Many users stop at the second or third bump on their first attempt, then gradually work deeper over multiple sessions. The graduated design means you are always in control; you can remove the plug at any point or hold it at whichever bump feels best for that day. Never force insertion or ignore sharp pain; mild pressure and stretching sensations are normal, but piercing pain signals you should stop immediately.
This plug suits experienced sound players who understand their own anatomy and want building, progressive sensation.
Great if you…Rinse the plug thoroughly with warm water after each use to remove lubricant and any bodily fluid. For deep cleaning, wash with mild soap or use a dedicated toy cleaner, then rinse until water runs clear. Medical-grade steel can be sterilised by boiling in water for three to five minutes if desired. Dry completely with a soft cloth before storage, and keep it in a clean, dry place away from moisture. Steel does not degrade, but inspect the glans ring regularly to ensure it remains secure and undamaged.
Understanding the mechanics of sound play helps you use this plug safely and get the most from its design. Graduated bumps teach your body how progressive diameter feels, and the hollow core opens up different sensations compared to solid designs. Read our guide on Using Penis Plugs Safely to learn more about technique, lubricant choice, and hygiene practices that protect your urethra.
Most users find the first bump (5 mm) opens easily with good lubrication and gentle pressure. The second and third bumps create noticeably more sensation as diameter increases. Many people stop there on early attempts, which is completely normal—you are teaching your body a new skill, and depth comes naturally over repeated sessions as confidence and familiarity build.
The graduated design means insertion is never a simple straight journey; you feel each bump transition distinctly, creating a rhythm of pressure that intensifies as you go deeper. This stepping sensation is what makes this plug different from basic straight sounds, and it takes a few sessions to fully appreciate the effect. Movement during wear—subtle shifts and adjustments—creates pulsing waves across each bump.
Steel warms quickly against body heat, which many users find pleasurable and helps the plug feel less clinical. The hollow core functions exactly as intended; you can ejaculate and urinate without removing the plug, though some users prefer to remove it for these functions. Cleaning is straightforward because the hollow design drains easily under running water.
First-timers often underestimate how much sensation graduated bumps deliver compared to smooth sounds they may have tried. If you reach a bump that feels too intense, simply hold the plug there or withdraw slightly—you set the depth and control the experience entirely. This plug rewards patience and builds comfort naturally when you respect your body's signals.
| Sound Type | Material | Diameter Range | Best For | Key Difference |
|---|---|---|---|---|
| Bumper Penis Plug Cum Thru 5 mm | Medical-grade steel | 5–10 mm graduated | Progressive sensation and experienced players | Five bumps create building intensity; hollow design maintains function |
| Basic straight sound | Medical-grade steel | Single diameter | Beginners and those wanting simple, consistent stimulation | Uniform width throughout; easier to learn with but less complex sensation |
| Curved urethral sound | Medical-grade steel | Typically 5–8 mm | Targeted pressure on specific sensitive areas | Angled design hits one spot intensely rather than building gradually |
| Flexible silicone plug | Body-safe silicone | Variable | Those preferring soft materials or beginners | Bends with your body; warmer feel but less precise sensation |
Snag the Bumper Penis Plug Cum Thru 5 mm by BDStyle if you are ready to explore progressive urethral stimulation with a sound that delivers complexity and control. Order it from Malechastity.com.au with discreet Australia-wide delivery. This medical-grade steel plug opens a new dimension of sensation for experienced players, rewarding patience and technique with layered pleasure that simple sounds cannot match. Body-Safe Materials, Honestly Described.
Malechastity.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..
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, Maleshastity.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.