Free C5 envelope mockup with shadow overlay, you can showcase invitation or any kind of design in a flawless manner.
It will save your time and make your design look awesome with amazing presentation. It easy to use with smart objects, simply double-click the Smart Layer, copy & paste your artwork, save your project and it's done.
Check them out, maybe you'll find one of them useful for your next project. Go click the download button and you will get this mockup. You can support the author get more exposure by sharing the link.