Two Side Envelope With String mockup. Present your stationery project in a gorgeous way. Select the smart object layer in the psd mockup and insert your design into it. Hit save and you're done.
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 below and you will get this mockup. You can support the author get more exposure by sharing the link.