9.5 Inch Length x 2.25 Inch Width
Our Most Advanced Pump yet. The Blush Performance VX7 Advanced Male Enhancement Pump System brings engorgement and heightened sensitivity to your penis. It comes complete with an airtight cylinder, silicone tubing, a professional-grade brass trigger pistol with a vacuum pressure gauge, and a quick release valve for your peace of mind. The cylinder is also detachable if youft.re seeking to hold the suction while you play. The VX7 Premium Penis Pump is compatible and interchangeable with other Nterchange System compatible Performance and Temptasia pumping accessories to customize your experience and sharing of your Blush product with you partner. Its easy to assemble, easy to use, and easy to clean. Enjoy peace of mind with responsibly made products by Blush, Makers of quality, thoughtful sexual wellness products since 2007.
So you’ve decided to get serious.
A penis pump isn’t a toy — it’s a training tool. The right cylinder size isn’t about ego or inches; it’s about controlled progress, healthy expansion, and learning your body’s pressure limits like a lab instrument.
Starting with the wrong cylinder size can mean wasted sessions, bruising, or worse — killing your gains before they begin.
Here’s how to do it right.
📏 Step 1: Measure with Precision
Grab a tape measure or ruler — this is your baseline data.
Length (NBP):
Measure from the base of your shaft (where it meets the pubic bone) to the tip, while erect.
Press gently to account for any padding or fat.
Record that number.
Girth (Midshaft):
Wrap the tape around the middle of your shaft while erect.
Divide by 3.14 to get the diameter (your ideal starting cylinder width).
Example:
If your erect girth is 5 inches → 5 ÷ 3.14 ≈ 1.6 inches → choose a 1.75-inch cylinder to start.
🧠 Step 2: Understand the Science of Fit
A perfect cylinder should be snug — not tight.
When you pump, blood needs room to expand into the vacuum, but too much space means your shaft expands unevenly, or worse, your scrotum gets sucked in.
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Too small: circulation strain, dark bruising, or a “trapped” feeling.
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Too big: poor seal, scrotal pull, and lack of pressure buildup.
The goal?
A slow, even draw of blood into the tissue — not a balloon animal.
🧬 Step 3: The Uncut Rule — Why Starting Too Big Hurts Progress
If you’re uncut, listen up.
That foreskin acts like an elastic sleeve — great for sensation, terrible for seal integrity.
When the cylinder’s too wide, your foreskin bunches up and folds inward, making the pressure uneven and uncomfortable. You’ll often see fluid build-up (lymph swelling) at the tip — that’s not a gain, that’s your body saying “too much, too soon.”
Starting smaller helps your skin and inner tissues adapt gradually.
It trains the skin to stay smooth and retract naturally under pressure, without causing fluid traps or donut swelling.
Think of it like lifting weights — you don’t start benching 120kg just because you want to. You start controlled, build form, and level up.
🧠 Step 4: Choosing Your Cylinder Like a Pro
| Erect Girth |
Recommended Cylinder Diameter |
| 4.0" – 4.5" |
1.5" (Small) |
| 4.6" – 5.0" |
1.75" (Standard) |
| 5.1" – 5.5" |
2.0" (Large) |
| 5.6" – 6.0" |
2.25" (XL) |
| 6.1"+ |
2.5"+ (XXL) |
Rule of Thumb:
Start 0.25" above your erect diameter, not more.
⚠️ Step 5: Respect the Curve of Adaptation
Your first 2–4 weeks are for conditioning — not enlargement.
Keep sessions short (10–15 mins), moderate pressure (no pain, no purple), and always use a water-based sealant or lube.
If you’re uncut, gently retract before sealing.
If your foreskin’s tight, work on gradual mobility — foreskin adaptation improves results and comfort.
🔬 Final Takeaway
Pump discipline isn’t about chasing size — it’s about engineering controlled expansion.
Your body responds best to consistent, intelligent stress, not reckless force.
Start smaller.
Build form.
Master your vacuum.
Disclaimer:
This guide is for educational purposes only. Penis pumps are intended as novelty or general wellness devices, not for the treatment of any medical condition. Always follow manufacturer instructions and consult a healthcare professional if you experience pain or adverse effects.
- 9.5 Inch Length x 2.25 Inch Width
- Nterchange System Compatible. Perfomance & Temptasia Pumps & Accessories In Our Nterchange Systems are Compatible
- Professional Grade Trigger Pump With Gauge And Vacuum Release Valve
- Black Easy Release Durable and Replaceable Silicone Tubing
- Precision Engineered. Thoughtfully Designed. Responsibly Made
