it got lost in the mail and they would send me another one.
Asian seller?
This appears to be a new scam. The original item was never sent and neither was the replacement. The seller may not even have any stock.
I wonder if eBay is looking into this. It has become the focus of many complaints and seemingly just since late last fall.
As noted you only have 45 days to file a complaint with eBay/Paypal.
You have only 60 days to leave feedback and Detailed Seller Ratings. These are very important because eBay uses them to monitor sellers and decide when a seller's activities should be Restricted.
You are not helpless however. Go to the credit card you used to pay. Remember Paypal is just the mediator. Phone the card's 1-800 customer service number and ask about a chargeback.