For selling on Grailed, you can change your PayPal account by clicking here or navigating to your Settings page. Please note that you will need to confirm the change via email, which will be sent to the email address associated with your Grailed account.
For buying, you can change your PayPal email address during the checkout process.
For Binding Offers, you can change your PayPal account by logging into PayPal and following their guide to cancel pre-approved payments. Once that is done, you can connect your new account when sending a new Binding Offer on Grailed.
The Billing Agreement allows you to complete a purchase on Grailed with PayPal without having to log into your PayPal account for each purchase.
You will no longer be able to use PayPal as a payment method on Grailed if you cancel the Billing Agreement through your PayPal Settings. If you have cancelled the Billing Agreement and you would like to use PayPal again on Grailed, you must re-add PayPal as a payment method through the checkout page on your next Grailed purchase.