Customisation opens once a month and you will have up to 5 days to make your selections. The date of the start of your customisation window is typically the same as your billing date. As soon as your customisation window opens, you will receive an email which includes your customisation form. You will also be able to access this form in the "Customise" tab of your account page.
š Pro Tip: Set a calendar reminder on your phone, so you can log in and snag your favorite selections before items sell out!