Envelope C4 Mock-Up features: 8 pre made psd; Customizable window shape 3 layer style included (Foil, Emboss, letterpress); 3 paper texture included 4 Photo filter included; 5 background images included; Editable via smart-object envelope design; Changeable background via smart-object (automatic perspective); Easy to cut out, all mask included; Separated shadows and reflections; Fully organizaed layers and folders; High resolution: 3500×2450px; Photorealistic result; Help file.
Info : https://graphicriver.net/item/envelope-c4-mockup/16513408