Cylinders and Cups Sizing Page
Okay, Nurse... what size do
Selection of the proper
size penis cylinder is
essential for maximum comfort and best results:
large in diameter around the
penis is a problem because it will be difficult to get a good vacuum
and/or your testicles may be pulled up into the cylinder, which can be
Another problem using a
cylinder that is too large in diameter (circumference), is hampering the enlargement process by trying to
pump the surrounding skin, as well as the muscle tissue. The correct
size cylinder is the most effective and efficient way to grow in girth
and length with vacuum pumping! So be sure to purchase the cylinder
based on the Penis Sizing
provided (below). Then,
as you develop,
work-up to the next larger cylinder.
measure the circumference
of your penis, it must be erect. Measure your girth by wrapping a string
around your erect penis, then use a felt-tip pen to heavily mark the
point on the string where it crosses itself. Next, straighten the
string, and use a ruler to measure the distance between the two marks.
This measurement will represent your penile girth.
example: If the measurement
penis is 5-1/2" around the thickest part (circumference), then that
to a 1-3/4" diameter cylinder.
equate to a 2" diameter cylinder. Always go to the next cylinder size,
if you happen to have an "in-between" penis circumference measurement.
For Advanced Two Stage Cylinder Measuring:
stage cylinders are sized by measuring in the same method as above,
however you need to also measure balls around the area near where you
would wear a cockring. Use this measurement with the chart below to
determine the first stage size, the second stage should be 1" - 1 1/2"
Penis Cylinder Sizing Chart
Penis and/or Balls
Buy your Penis
Penis Pumping Cylinders
available in width sizes:
1/2", 5/8", 3/4",1-1/4" inner
and the standard height is
approximately 3 3/4".
For sizing: Measure width
of nipple (or clitoris for the Clit Cylinders). Simply measure the
width of the nipple area or clitoris to be pumped.
above, the darkened area is almost a full 1 inch, yet the actual
protruding nipple area measures only 5/8", so the correct cylinder
would be 5/8".
Cylinder Approximate Size Guide using U.S. Coins:
1/2 inch cylinder = smaller than a
5/8 inch cylinder = approx. size of a
3/4 inch cylinder = approx. size of a
1-1/4 inch cylinders = approx. size of
your Clitoris/Nipple Pumping Cylinders
(measurements represent inner
Small = 3.5"L X
2.0" Deep #400-4000
= 4.0"L X
3.0"W X 2
1/8" Deep #400-4001
3.5" W X
the length from the area just above the clitoris (mons pubis)
just below the vaginal opening.
Then measure the width between the thighs
where they meet at the crotch, with the legs opened as shown above .
( 8.8 cm )
( 7.6 cm )
( 10.1 cm )
( 9.6 cm )
( 11.8 cm )
( 11.2 cm )
Buy your Pussy Pumping
Cups and Kits
The inner dimension of
the penis, nipple or clit cylinder or pussy cup
what actually gets sucked up into the cylinder or cup! So be accurate!
and order accurately... for hygiene reasons, we can not accept returns
on the penis cylinders, nipple or clit cylinders and/or pussy cups!
twice to be sure!
Notes on moving up to next
a first time "pumper" starts with the cylinder size that meets their
then gradually move up through the sizes as they see results and
seek more growth.
It's easy to move up (or down a size!), since our cylinders are
sold separately, as well as complete kits.
You may discover that experimenting with a variety of sizes adds to the
pumping experience, especially when used in BDSM play!
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