1. Navigate to Manage Account (in top left on Mobile / top right on Desktop)
2. Navigate to Subscriptions
3. Locate your subscription card and at the bottom of the card you will find the with the Looter Info. Click on the plus symbol to expand this selection.
4. Click Edit
5. Select the size for the variant that you want to update for your subscription.
6. When done, just click the Update button to save your changes.