eBay

I am selling a 8 x 10" picture poster. When I click USPS large envelope as my shipping method, then click save, this option shows up on my listing then disappears. Why does it keep disappearing? I meet the large envelope requirement from USPS. Thanks...

How do I delete a scheduled listing. Somehow I created 2 listings for the same item and want to delete one of them. I can edit but not delete.