Be Who you want to be




Use this calculator to determine your correct pump cylinder width.
Room for 10 to 15% expansion is recommended. Do not exceed over 30% of your current size.
General consensus is to measure your thickest point.
ATTENTION *** FOR MEN WITH WIDE BASES: Use your widest base girth.
If you are trying to change shape or would like to focus higher on the shaft, measure your mid-shaft instead, while ensuring your base will still fit. And if you are relatively more oval-shaped or flat, or curved, you might need to go up a size to make sure it fits.
Use this calculator to target your proper fatigue levels.
Length:
Fatigue Target (out of device): 2-3% longer.
Strain Target (in device): 4-6% longer.
Girth:
Expansion Target: 4-8% thicker.
* More is not better. Reaching for the max does not mean a better session.
This calculator converts between inches and centimeters. Enter a value in inches or centimeters, and the corresponding value will automatically populate in the other field.
This calculator converts between kilopascals (kPa) and inches of mercury (inHg). Enter a value in either field, and the corresponding value will automatically populate in the other field.
The Big Box has all you need to target all 3 stimuli for growth. Expansion, Hypoxia, and elongation. Making it a great starter kit for those trying to implement the routines found on r/gettingbigger.
What is included:
PLEASE HANDLE SLEEVES WITH CARE
Leave in cool dry area.
Do not leave attached to cups.
Apply baby powder or silicone longevity powder.
Proper care for sleeves will ensure the life of your sleeves from one day to 6 months or more! Understand that this material is light.
WEIGHT NOT INCLUDED
** Leave room for expansion!
Try our Size Calculator.
ATTENTION *** FOR MEN WITH WIDE BASES: Use your widest base girth for the cylinder measurement.
Measure your midshaft erect girth; length does not matter for this. UNLESS you are over 8 inches. Monster size is the only thing that will fit your length.
If you are under 4.5, order the modest pack.
This will come with a modest-sized vacuum bell and a 1.75 by 9-inch cylinder.
If you are between 4.5 and 5, order a Medium on the slender side,
This will come with a medium-sized vacuum bell and a 1.75 by 9-inch cylinder
If you are between 4.5 and 5, order a Medium.
This will come with a medium-sized vacuum bell 2 by 9-inch cylinder.
If you are between 5 and 5.6, order a Large.
This will come with a Large-sized vacuum bell 2 by 9-inch cylinder.
If you are between 5.6 and 6.6, order a monster.
This will come with a Large-sized vacuum bell 2.25 by 12-inch cylinder.
Measurements are determined by erect glans girth. Must be at or close to for best pick.
MODEST - 33 mm
3.1" - 4.1"
7.6 cm - 10.4 cm
MEDIUM - 38 mm
4.2" - 5.1"
10.4 cm - 13 cm
LARGE - 42 mm
5.2" - 6.0"
13.5 cm - 15.2 cm
MONSTER - 45 mm
6.1" - 6.75"
15.3 cm - 17.2 cm
Routines 

NOTE: extended cockring wear can lead to issues such as discoloration and minor lymphatic issues. Use at your own risk.
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