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Bathmate Hydromax X40 by Bathmate

$389.99
$389.99

Water-based penis pump for men up to 8 inches length and 2.25 inches width using hydro technology

Key Features:

Water-based penis enlargement technology

Precision-engineered UK design

Soft sealing comfort ring for maximum comfort

Targets tissue expansion and blood flow

Suitable for users with specific size ranges

Vendor: Bathmate
SKU: PMP-008-B-ALL COLORS-SHOP-BLUE-22221
Availability: In stock
Product type: Waterproof Vibrators
Please hurry! Only 1 left in stock
Colour: Blue

You want noticeable enlargement and enhanced sexual performance, but traditional pumps feel unsafe or awkward. The Bathmate Hydromax X40 uses water-based suction technology to deliver controlled expansion safely, with precision positioning and medical-grade materials built for comfort and results.

At a glance
  • Length: 9.5 inches total
  • Chamber diameter: 2.25 inches
  • Material: Medical-grade BPA-free polymers
  • Power: Manual hydraulic water-based system
  • Design: 360-degree rotational chamber, waterproof
  • Best for: Controlled enlargement and enhanced blood flow
🚚 Plain, discreet packaging🔒 Discreet billing↩︎ Hygiene-conscious returns policy

What it is

The Bathmate Hydromax X40 is a water-activated penis pump engineered for men seeking significant, measurable enlargement. Unlike traditional air-based pumps, this device uses hydrostatic pressure—water displacement—to create safer, more consistent suction. The chamber is designed for erect widths up to 2.25 inches and lengths up to 8 inches. Its swivel bellows system rotates 360 degrees, giving you precise control and clear visibility throughout use. Medical-grade polymers and a soft silicone comfort ring protect sensitive tissue while delivering targeted expansion.

What sets this pump apart is its engineering. UK-designed and built for durability, it combines adjustable pressure settings with a seamless seal for reliable results session after session. See the full BDSM Australia range of Waterproof Vibrator products to explore other options in this category.

Key features

  • Water-based suction mechanism: Hydrostatic pressure creates gentler, more natural tissue expansion than air pumps.
  • 360-degree rotational chamber: Swivel design lets you adjust angle and monitor progress visually from any position.
  • Medical-grade materials: BPA-free polymers and soft silicone comfort ring ensure safety and durability with sensitive skin.
  • Adjustable pressure control: Graduated suction settings let you start gently and increase intensity as tissue adapts.
  • Waterproof and shower-ready: Use in the shower or bath for added comfort and ease of application.

Specifications

  • Dimensions: 9.5 inches total length; 2.25-inch internal chamber diameter; approximately 12 ounces.
  • Material: BPA-free medical-grade polymers with soft silicone comfort ring for skin protection.
  • Power system: Manual hydraulic mechanism—no batteries, electricity, or charging required.
  • Waterproofing: Fully waterproof design; safe for shower and bath use.
  • Included: Hydromax X40 pump, comfort ring, instruction manual with measurement scales (metric and imperial), discrete packaging.

How to use a waterproof vibrator

Fill the chamber with warm water and insert your penis fully inside. Press the pump against your body to create a complete seal. Gradually increase suction by working the bellows, stopping if you feel discomfort. Maintain steady pressure for 10–15 minutes, watching for skin response. Remove carefully and allow blood flow to normalize before continuing.

For extended sessions, pair the pump with Remote Control Vibrators for layered sensory play. Edge technique works well: pump intermittently, backing off before full erection, then building again. Experiment with different water temperatures—warm water promotes relaxation, while cool water creates a different sensation. Always monitor comfort and stop if pressure feels excessive or skin shows irritation.

Always use water-based lubricant for smoother insertion, rinse thoroughly after each session, allow the device to air dry completely, and avoid sharing to prevent infection. Safety first. This information is general in nature only and is not medical or professional advice; it does not account for your individual circumstances. Discontinue use immediately if you experience pain, numbness, discolouration, irritation or discomfort, and seek advice from a qualified medical professional if you have a relevant health condition or if symptoms persist.

Care and storage

Rinse the pump thoroughly with warm water immediately after use, paying special attention to the chamber interior and comfort ring. Allow all parts to air dry completely before storage. Store in a cool, dry place away from direct sunlight. Avoid petroleum-based lubricants, which can degrade the polymers; stick to water-based options only. Check the comfort ring regularly for wear and replace if needed.

Learn more

Understanding how penis pumps work and what realistic results look like takes time and research. Many men find educational resources invaluable before starting a routine. Read more about enlargement devices and techniques in our guide on Doc Johnson Rock Star Vibrators.

Mistress Athena's training notes

The Hydromax X40 has become essential in my domination practice. When I restrain a submissive and control the pump's pressure, their anticipation builds exquisitely. Watching their physiological response while I hold complete command over their experience deepens the power dynamic considerably. The visual transformation combined with psychological submission creates profound control.

My subjects respond differently to this device depending on their training level. Some require gentle introduction with minimal pressure; others crave immediate intensity. I adjust my technique accordingly, reading their body language and adjusting pressure in real time. The pump becomes an extension of my dominance—a tool for conditioning and control that produces both physical and psychological transformation.

Consistent use within my training regimens yields remarkable results. I've observed that the water-based suction feels less intimidating than traditional air pumps, allowing deeper psychological conditioning. Sessions become carefully choreographed exchanges where submission deepens with each stroke. The device's precision and control align perfectly with my methodology of measured, intentional domination.

See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.

How it compares

Feature Bathmate Hydromax X40 Traditional Air Pump Manual Hand Enlargement
Suction mechanism Water-based hydrostatic pressure Air-based vacuum Manual grip and stroke
Safety and comfort Gentler, more consistent pressure Risk of sudden pressure spikes Variable, technique-dependent
Precision control Adjustable settings, 360-degree rotation Limited angle adjustment No mechanical control
Durability Medical-grade polymers, long-lasting Seals degrade over time No equipment wear
Best for Serious enlargement with safety Budget-conscious users Beginners exploring options

Why you'll reach for it

Snag the Bathmate Hydromax X40 at BDSM Australia when you're ready to commit to real, measurable results. This pump delivers controlled enlargement with the safety and precision that serious users demand. Water-based suction, medical-grade materials, and 360-degree rotation give you confidence and control in every session. Order today and start your transformation. Everything for Bondage Under One Roof.

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.
– 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, sex-toy.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.

Frequently Asked Questions

What is the Bathmate Hydromax X40 Penis Pump?
The Bathmate Hydromax X40 is a water-based penis enlargement device designed to increase penis size and improve sexual performance through controlled hydrostatic pressure and targeted tissue expansion techniques.
Where can users apply the Bathmate Hydromax X40 pump?
Users can apply the Bathmate Hydromax X40 in a water environment like a shower, bathtub, or swimming pool, utilizing water's natural pressure to create a comfortable and effective enlargement experience.
Should men with specific penis sizes use the Bathmate Hydromax X40?
Men with erect penis width up to 2.1/4 inches and length up to 8 inches are ideal candidates for the Bathmate Hydromax X40, ensuring optimal fit and maximum potential enhancement.
How does the Bathmate Hydromax X40 improve sexual performance?
The Hydromax X40 stimulates increased blood flow, promotes tissue expansion, and helps develop stronger erections by creating a controlled pressure environment during consistent, recommended usage periods.
Does the Bathmate Hydromax X40 function effectively in BDSM play?
While primarily a penis enlargement device, the Hydromax X40 can complement BDSM activities by enhancing physical performance and providing additional sensory stimulation during intimate encounters.

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Why Shop With BDSM Australia?

FAST ORDER DISPATCH

We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

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We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!