Oklahoma State Cowboys Patch – OSU Football Embroidered Iron-On Sew-On College
Item Description
The Oklahoma State Cowboys Patch is a high-quality, embroidered iron-on or sew-on patch featuring the official logo of the college football team. This patch is perfect for fans of the Oklahoma State Cowboys looking to show their team pride on clothing or accessories. Made with durable materials, this patch is a great way to represent the team and add a touch of fandom to any item.
Listed by Frooition
These are shipped with eBay standard envelope.  You can sign up for USPS Informed Delivery. You get an email every morning with images of letter mail you'll be receiving that day (ESE should be pictured with the letter mail), and the email will also show a list of package tracking numbers arriving that day.

https://www.usps.com/manage/informed-delivery.htm

When an item is pictured on your informed delivery email, but that item isn't delivered, you can log in to your account at usps.com and report that you didn't receive it. That alerts the PO and they will alert your carrier that a mail piece was missing from your delivery.