Our simple guideline shows
how you can find your
perfect size for CART Ring

6 Steps for brperfect CART Ring size

You can find the video through QR code and Youtube about “How to find the perfect size” below.

Choose any finger except thumb to wear a ring.

Try to put a comfortale size ring which is not too tight but not spinning.


Wear it at least 24 hours to test in various situations.



Select the perfect size and input the size through our homepage (www.skylabs.io) or below “confirm your size”.

We will ship your CART once the size is confirmed.

You can find the video through QR code and Youtube about “How to find the perfect size” below.

Choose any finger except thumb to wear a ring.

Try to put a comfortale size ring which is not too tight but not spinning.

Wear it at least 24 hours to test in various situations.

Select the perfect size and input the size through our homepage
(www.skylabs.io) or below “confirm your size”.

We will ship your CART once the size is confirmed.

Watch CART-I Ring Sizing Video

Let Us Know Your Size

After receiving your CART sizing package
and decided which size you’d like, click on
“Send” here to finalize order.

Got Any Questions?