"I just have the order number"

Go to your Purchase History page and  enter the order number into the Search Box.

This will show you the item

Or you can use the drop down box option>  See Orders to set to the correct timespan

Or  did you purchase as a guest  ?

https://www.ebay.com.au/help/buying/paying-items/buying-guest?id=4035&srsltid=AfmBOoqf4dfmlu5yjpp4Jl...

Or through social media ?

https://www.ebay.com.au/help/account/signing-account/signing-account?id=4189#section4

Unfortunately, the order number is of no use to anyone here.

When did you buy the item? Is there an issue with the item or the transaction?

Other members cannot see anything from the order number

Every eBay listing has an item number

Did you buy as a guest or with this account?

If you want other members to try to help you, you need to let us know the issue