Does eBay allow or prohibit the use of the eBay standard envelope to ship an item (e.g. a backstage pass) sold in the Entertainment Memorabilia category?

Can I use an eBay standard envelope to ship an item sold in the Entertainment Memorabilia category? | Ask a Mentor

Can I use an eBay standard envelope to ship an item sold in the Entertainment Memorabilia category? | Ask a Mentor | eBay Community