eBay

Hi Anyone know the pricing rates for mailing in an item using the usps triangle tube on eBay? I don't see this shipping option on the drop down menu under ship method when listing an item.

Does anyone know how i can offer in usps standard envelope? I sell flat stickers and standard envelope would be the most economical way for me to ship them. I know that ebay offers a discount for this shipping method. however When i choose "stickers ...