Size Guide – Cobra Cages
The KINK3D Cobra® is an original line of cages that marked a turning point in the industry. It features an innovative shape with a wide entrance, a narrow “neck,” and a distinctly flared head (for most sizes).
Sizing Overview
To measure flaccid length, allow the penis to hang naturally. Measure along the top side, from the base (where it meets the body) to the tip.
It’s best to use a flexible cloth tape measure or a piece of string (which you can then measure).
We recommend taking measurements several times throughout the day under “normal” conditions — not right after a hot shower and not when it’s extremely cold. The goal is to find your typical smallest flaccid length, rather than the absolute smallest you may reach under extreme conditions.
Step 1 – Find your length:
COBRA
BABY
1.25-2"
3-5cm
N
2-2.5"
5-5.6cm
N+
2.5-3"
6.5-7.5cm
S
3-3.5"
7.5-9cm
S+
3.5-4.25"
9-11cm
R
4.25-5"
11-12.5cm
R+
5-5.5"
12.5-14cm
BFG
5.5-6"
14-15cm
Use your flaccid penis measurement to choose the cage length.
Step 2 – Choose your girth:
NARROW
BABY, N, N+, S
STANDARD
Start here — most people find this works well for them.
WIDE
BABY, N, N+, S, S+, R, R+, BFG
If other cages were too roomy for you, or if you have a thin penis.
If other cages have been too tight for you, or if you have a thick penis.
Length Advice
In our experience, customers are happiest when their Cobra cage is a good match for their flaccid length. If the cage is too short, it may hang away from the body and only partially cover the penis. If it is too long, the head of the penis may not sit properly in the front section of the cage.
Getting a new chastity cage can be exciting, and that’s completely normal. However, make sure you are not partially aroused when taking your measurements. You want to avoid overestimating your true size.
If you are between two sizes, our experience shows that most people prefer choosing the shorter size.
Width Advice
We’ve found that the Standard width works well for most people.
If your penis is thinner than average, or if chastity devices often feel loose on you, the Narrow width may be a good option.
On the other hand, if you have a thick penis or have had trouble fitting into other devices in the past, the Wide option may be worth considering. Wide cages can be particularly helpful for some uncircumcised users to avoid squeezing the foreskin, although this is not universal.