The FitKit® is a fast, easy way to find out which of the 66 myONE sizes is your perfect fit.

Follow the steps below:

1. Download & print the FitKit®.
2. Check it. Place a credit or debit card on the printout to make sure it printed correctly.*
3. Cut out the measuring tool. Letters are for length. Numbers are for width.
4. Get it up. Here's where a great magazine, movie, or helpful friend can come in handy.
5. Measure your length.
6. Measure your circumference.
7. Enter your size code below and click "PURCHASE" . You may make a one-time purchase or subscribe with our monthly plans, whether you want condoms delivered every 2 or 3 months

Print out the FitKit® page for more detailed instructions about how to measure, or see FitKit® measuring tips.

*Bank card doesn’t fit? Your printer is probably scaling the image. Turn off “scaling” and make sure you’re printing at 100%.

The sizes are coded, such as B22 or M21, so they stay discreet.