Below you will find helpful links surrounding Merch by Amazon
Merch by Amazon Knowledge Base
Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
1 Person is following this article.
07/20: Announcement: T-shirts showing as "Pending Your Approval"
Another Merch seller stealing my design and using it on a T-Shirt
ANNOUNCEMENT 9/10/2019 - Saved Setting Feature Live
Can I link my Merch by Amazon account to Seller Central?
Why are some of my shirt sizes showing as Currently Unavailable?