BDStyle inflatable silicone butt plug with metal ball expands from 3.0 cm to 9 cm diameter for adjustable stretch
Key Features:
Adjustable diameter from 3.0 cm to 9.0 cm
Medical-grade silicone construction
Internal weighted metal ball for dynamic stimulation
Suitable for multiple experience levels
Smooth, controlled expansion mechanism
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Anal play demands control—but standard plugs offer no flexibility. The Inflatable Dildo Metal Ball Inside Butt Plug lets you start small and expand gradually, with an internal weighted ball that shifts sensation with every movement. You're in complete command.
The Inflatable Dildo Metal Ball Inside Butt Plug is a medical-grade silicone anal toy that expands on demand. You control the width—starting at a gentle 3.0 cm and inflating to 9.0 cm—so every session fits your comfort and readiness. The design is simple: smooth silicone body, manual inflation valve, and a weighted metal ball suspended inside that creates dynamic sensation as you move or shift position.
What sets it apart is the combination of expandability and that internal ball. Most plugs are fixed; this one grows with you. The ball responds to motion, adding unpredictable stimulation that keeps your nervous system engaged. See the full BDSM Australia range of Butt Plugs to compare traditional and innovative designs.
Apply generous water-based lubricant to the plug and your anus. Begin insertion at the smallest diameter (3.0 cm) and allow your body time to adjust. Once fully inserted, use the inflation valve to gradually expand the width. Go slowly—pause between inflations and listen to your body's feedback. Stop well before discomfort; sensation should feel intense, never painful.
Experiment with different positions and gentle rocking motions to activate the internal metal ball. The ball responds to movement, creating shifting sensations throughout play. You can combine this toy with other forms of stimulation for layered pleasure. Pairing it with Butt Tails opens new possibilities for visual and tactile play during scenes.
Wash the toy with warm water and mild antibacterial soap immediately after use. Dry completely before storing in the included bag, away from direct sunlight and heat. Store in a cool, dry place. Use only water-based lubricant to preserve silicone integrity. Check the inflation valve regularly to ensure it remains airtight.
Anal play has a rich history and diverse applications across different communities and practices. Understanding technique, anatomy, and personal boundaries deepens both safety and pleasure. Read Butt Plugs For Gays for insights tailored to your experience and interests.
This toy has become essential to my control practice. The gradual expansion reveals each submissive's true threshold—where resistance shifts into surrender. I inflate incrementally, watching their breathing change and their body language surrender to the sensation. The metal ball inside creates unpredictable pressure that keeps even experienced players off-balance.
Psychological dominance flows naturally from this design. My subjects cannot anticipate the next moment of expansion, which deepens their dependence on my control. I've found it particularly effective for training obedience; the physical vulnerability translates directly into mental submission. The toy's customizable nature means I can adapt intensity to each submissive's capacity and current state of mind.
Combining this plug with sensory deprivation amplifies its impact exponentially. Blind and unable to predict the next inflation, submissives enter a profound state of surrender. The internal ball becomes the centre of their entire awareness. Recovery and aftercare following scenes with this toy tend to be deeper and more meaningful.
See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.
| Feature | Inflatable Dildo Metal Ball Inside Butt Plug | Fixed-Size Silicone Plug | Vibrating Butt Plug |
|---|---|---|---|
| Size customization | Yes—expands 3.0 to 9.0 cm on demand | No—one fixed diameter | No—one fixed diameter |
| Sensation type | Weighted internal ball responds to movement | Static pressure only | Vibration patterns |
| Control method | Manual inflation valve | N/A | Button or remote control |
| Best for | Progressive training and psychological control | Comfort and everyday wear | Direct clitoral or penile stimulation |
| Skill level | Beginner to advanced | Beginner to intermediate | Any level |
Order the Inflatable Dildo Metal Ball Inside Butt Plug when you're ready to move beyond fixed sizes and static sensation. This toy grows with you, responds to your movement, and puts genuine control in your hands—at BDSM Australia. Whether you're exploring anal play for the first time or refining advanced technique, the expandable design and internal weighted ball deliver a unique experience no standard plug can match. Buy Genuine BDSM Brands with Confidence.
BDSM Australia 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.
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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.
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