Letterhead and Envelope Mockup
The best Envelope Mockup which includes a folded and plain letterhead with a commercial size envelope. Place artwork on each item separately and get a realistic outcome. Background color is also changeable.
Free

The best Envelope Mockup for greeting cards, postcards, wedding cards, office documents, paychecks, transactional mail, and statements. Place your artwork on smart object and get a realistic outcome. Place your artwork on both sides and change the background color if you like.