Paper Box Mockup https://elements.envato.com/paper-box-mockup-5XD45BR
Paper Box Mockup - layered, editable .psd files prepared to showcase your custom design, by editing smart objects and color layers.
+ Quick and Easy Editing Through SmartObject (simply double click layer, place design, and save)
+ Organized Layers and Folders
+ High resolution 6000x4500 px 300 dpi
+...