Did you order from China? Don't. Not until the fentanyl crisis which is delaying inspections at Customs is resolved.
Did you wait more than 60 days form purchase before thinking to complaint you hadn't received your item? You can open an Item Not Received claim via paypal until 180 days have passed. Don't accept an offer for a replacement. If one is sent, it likely won't be received in time for your case to remain valid.
Also, don't close your claim until you have a refund, no matter what sort of sweet nothings have been whispered in your ear by the seller.