Are these the Yeezy's that you've "sold" twice already ?  I do hope that you opened a non-payer claim (unless you had 3 pairs of them) otherwise you'll be paying eBay fees on the sales. Note you only have 30 days to action that.

https://www.ebay.com.au/help/selling/getting-paid/resolving-unpaid-items-buyers?id=4137

Edit. G'day Sandy.......