Trans Masc Pro Pump with Gauge
Gender euphoria in every box.
New cylinders, comfort cushions, digital gauge, pleasure settings — all in the box.
Complete your setup
Removable suction cup included.
No guessing. Just control.
Our most advanced pump — made for total control. Rebuilt from scratch for trans masc, FTM, nonbinary bodies who want precision, not guesswork.
Most pumps leave you guessing where you are. This one shows you — so every session feels safe, intentional, and yours.
Waterproof and USB-C rechargeable. Pairs with the Jack stroker: the Pro Pump + Jack kit is $19.99 less than buying both.
Built by New York Toy Collective — creators of the original Trans Masc Pump and over a decade of gender-affirming design.
Product Details
- You're always in control — the built-in digital gauge shows exactly where you are in real time, so every session stays safe and intentional.
- Made for your anatomy — cylinders molded specifically for bottom growth (not repurposed nipple pumps), for a better seal, better fit, and better results. Stack them for discreet storage. Manual mode — you set the pressure.
- Auto Mode — consistent cycle, hands free
- Pulsing + multiple intensity modes — built for growth and pleasure
- Fully waterproof & USB-C rechargeable
- Works pre-T & post-T — with or without hormones
Your questions, answered
What's the difference between a manual and an electric pump — and why electric?
A manual pump you squeeze by hand, building suction by feel. The electric Pro creates and holds the suction for you and shows the exact pressure on a digital gauge. Choose electric if you want hands-free auto and pulse modes and precise, repeatable sessions instead of guessing — the same routine, the same numbers, every time.
Which cylinder size should I start with?
Three sizes come in the box. Start snug but comfortable — a good seal matters more than size. Most people begin with the smallest cylinder that fits without pinching, then move up as their body responds. Full fit guide: What size pump cylinder do I need?
How much pressure should I use?
Start in Manual, Level 1 — it caps at 35 kPa, a gentle range. You're aiming for soft fullness, never pain, numbness, or color change. Because the gauge shows real numbers, you can repeat exactly what felt right. Levels 2–3 go much stronger (up to 55 kPa) — don't use them without talking to a provider first.
Is the Pro beginner-friendly, or too strong for beginners?
It is our most powerful pump. Start in Manual, Level 1 with short sessions and you're on gentle ground.
Do I need to be on T to use it?
No. It works on T, pre-T, or never on T. Testosterone drives most bottom growth, but the pump's session effects — blood flow, fullness, sensitivity — don't require hormones. Cylinder fit matters more than how long you've been on T; three sizes come in the box.
How often should I pump?
Start with 2–3 sessions per week, 5–10 minutes each, gentle pressure. Build up slowly and take breaks — recovery is part of it. With the gauge you can keep sessions consistent rather than chasing intensity.
Does pumping hurt?
It shouldn't — done right it feels like gentle warmth and fullness. Pain means too much pressure: release the valve and rest. Go lighter next session. The gauge exists exactly so you never have to guess.
How discreet is shipping?
Always a plain, unmarked box — no logos, no product names outside. Your card statement reads New York Toy Collective.
The science behind pumping
Bottom growth is driven mostly by testosterone. Androgens act on receptors in genital tissue to enlarge the clitorophallus — a well-documented effect that's most rapid in the first year on T (Grimstad et al., Andrology, 2021).
Where a pump comes in: blood flow. Vacuum devices use gentle negative pressure to draw blood into erectile tissue and raise the oxygen level in it — the same mechanism used in penile-rehabilitation medicine (Lin et al., Asian Journal of Andrology; Yuan et al., International Journal of Impotence Research). More blood flow is what produces the temporary fullness and heightened sensitivity you feel during a session.
Our caveat: that vacuum research was done on cis men for erectile function — no one has run a long-term study on trans masc bottom growth specifically. What's solid is the session effect (blood flow, fullness, sensitivity). Lasting change varies by body. We can't promise numbers, and nobody can. We include measuring tools so you can track what's real for you.
Sources: Grimstad F, et al. Andrology 2021 · Lin H, et al. Asian J Androl · Yuan J, et al. Int J Impot Res
Our Transmasc Pro Pump includes three interchangeable transparent cylinders to offer visible pumping pleasure, plus an electric pump for more control over the pressure and release valve. Designed to increase pleasure, sensation and overall bottom growth. The push button design also makes this pump more accessible for those with limited dexterity. Our pumps must be used with a lubricant to prevent discomfort or friction during use. Couples well with our Jack stroker!
Materials:
Acrylic cylinder, tubing and handle.
Packaging measures 3x4x9in in dimension.
Product Care:
The Pro is fully waterproof — rinse it under warm water, or bring it into the shower or bath with you. Clean the cylinders with warm, soapy water and let everything air dry. Give the USB-C port a quick dry before charging.
What is a trans masc pump and what does it do?
A trans masc pump creates gentle suction that increases blood flow to genital tissue, supporting engorgement, sensitivity, and bottom growth over time.
This process is based on well-established vacuum principles used to promote circulation and tissue expansion, adapted specifically for trans masc bodies.
Is there medical support for pumping?
Yes. Pumping is referenced in gender-affirming care, particularly in preparation for metoidioplasty.
Some providers recommend pumping before and after surgery to support circulation, tissue expansion, and help achieve and maintain length
Always consult your surgeon or healthcare provider for personalized guidance.
What are the benefits of using a trans masc pump?
Users commonly report:
Increased bottom growth over time
Improved sensitivity and responsiveness
Temporary engorgement after sessions
Dysphoria relief
Greater connection with their body
For many, pumping becomes part of a consistent gender-affirming routine.
How soon will I see results?
You may notice temporary size increase and sensitivity immediately after your first session due to increased blood flow.
Long-term changes develop gradually with consistent use over weeks and months.
How does a bottom growth pump work?
The pump creates a controlled vacuum that draws blood into the tissue.
This increased circulation:
Expands tissue temporarily
Improves sensitivity
Supports gradual tissue adaptation over time
What makes the Pro Pump different?
The Pro Pump is designed for precision and control, featuring:
Real-time pressure gauge (kPa) for safe, measurable sessions
Multiple modes (manual, auto, pulsing, and pleasure modes)
Fully waterproof design
Three stackable cylinders sized for progressive growth for a better fit at every stage
Do I need to be on testosterone (T/HRT) to use a pump?
No — pumping works with or without hormones.
While testosterone can increase baseline tissue size, pumping supports circulation and tissue response regardless of hormone use.
How often should I use a pump?
Start with:
10–15 minutes per session
A few sessions per week
Increase gradually as your body adapts. Always prioritize comfort.
Can results become permanent?
Temporary changes happen immediately after use.
With consistent long-term use, many users report lasting increases in size and sensitivity, though results vary.
Can pumping help prepare for metoidioplasty or bottom surgery?
Some providers recommend pumping to support circulation and tissue expansion before surgery.
It may also help maintain length post-surgery. Always follow your surgeon's guidance for pre- and post-operative care.
Is pumping safe?
Yes — when used properly.
Safety depends on:
Using appropriate pressure
Keeping sessions within recommended duration
Listening to your body
If you have concerns about circulation or sensitivity, consult a healthcare provider.
Can you hurt yourself using a pump?
Improper use (too much pressure or overly long sessions) can cause discomfort or bruising.
Start slow, increase gradually, and never pump to the point of pain.
What is kPa and why does it matter?
kPa (kilopascals) is a unit of pressure used to measure suction strength.
Lower kPa = gentler pressure
Higher kPa = stronger suction
Using measured pressure helps ensure safer, more controlled, and consistent sessions.
General guidelines:
Beginners: 5–15 kPa
Intermediate: 15–25 kPa
Advanced: 25+ kPa (only if comfortable)
How do I clean and care for my pump?
Cylinder:
Wash with warm, soapy water after each use. Rinse and air dry completely.
Pump & Tubing:
The Pro is fully waterproof, so you can rinse it under warm water or bring it into the shower or bath with you. Just give the USB-C port a quick dry before charging.
Pro Pump:
The cylinders lift off and clean up with warm, soapy water. Let everything air dry before you put it away.
Lubricant:
Always use a water-based lubricant for comfort and proper sealing.
Storage:
Store in a clean, dry place away from sunlight and extreme temperatures.
Avoid:
Alcohol, bleach, or harsh chemicals.
Shipping is always discreet. Items ship in plain brown or white boxes with nothing on the outside. We ship to Canada, the UK, the EU and more. The shipping cost shows at checkout once you enter your address, and duties and import taxes are charged there too, so there is nothing more to pay when the box arrives. International orders are final sale and can't be returned.
Because our products are intimate, most items are final sale for hygiene reasons. A limited selection of unopened, non-intimate items may be returned for store credit within 7 days — see our return policy. Damaged or defective? Contact us within 24 hours. The One-Year Maker's Warranty covers it.
