Paypal and eBay limit their Buyer Protection to 45 days.
Your credit card has a longer deadline.
Go to the credit card you really paid from (PP is just the mediator). Phone their 1-800 number and ask for a chargeback. Have the dates, payment amounts and transaction numbers handy for the clerk to process your refund.
And be more assertive next time. If your item hasn't arrived within 40 days and the seller is not refunding, start that Dispute.