https://smashmockup.com/bottle-cap-mockup-psd/

A PSD mockup of two floating bottle caps where you can customize them using photoshop smart layers. The top, side design, and inner color are all editable with the smart objects. Further, you can control the scene lighting, shadowing and overall atmosphere with ready-made layers.

This fully layered PSD file allows you to show off your design. The PSD file allows you to change all elements and come with many customization options. Completely layered file with smart object.