If you don't have a choice of size, it means that the selected ring is adjustable. It will fit all finger sizes.
If not, here is the size chart for our Snake rings:
Size
|
Circumference
(mm)
|
Circumference
(inch)
|
Diameter (cm)
|
Diameter (inch)
|
5
|
49
|
1.95
|
15.7
|
0.62
|
6
|
52
|
2.04
|
16.5
|
0.65
|
7
|
55
|
2.14
|
17.3
|
0.68
|
8
|
57
|
2.24
|
18.1
|
0.71
|
9
|
59
|
2.33
|
18.9
|
0.74
|
10
|
62
|
2.45
|
19.8
|
0.78
|
11
|
65
|
2.54
|
20.6
|
0.81
|
12
|
67
|
2.64
|
21.4
|
0.84
|