Constriction Bands Active3

Size1: > 9mm inner diameter
Size2: > 12mm inner diameter
Size3: > 15mm inner diameter
Size4: > 18mm inner diameter
Size5: > 21mm inner diameter

! The size information has nothing to do with your penis size. They only apply for better orientation. All rings have a number 1-5. You always start with the largest ring to test whether the erection lasts. If not, go for the next smaller ring. This is how you determine your ring size.
Please also note the application and care instructions