https://mockupsforfree.com/product/phone-case-mockup/

Free PSD shows of iPhone Case Mockup. The PSD file is easy and fully editable with smart objects. The PSD file measures 2038 × 1401 px at 300 dpi.

The iPhone case is perfect for your design. Easily place your logo or branding designs, you also can change the background and packaging colors to your needs.