All in-app purchases made using the buy button are covered by Buyer Protection. If you have purchased this item using Depop Payments powered by Stripe, this means you do not need to report this issue to PayPal at all.
If you still haven't received your item 7 days after you bought it, please follow the steps below:
1. Contact the seller for an update if you haven't already
2. If the seller doesn’t get back to you or the item has not been shipped after 7 days, please report in app by going to your Profile > Settings > Need help? > Buying > My purchase > Select your issue there