IMD housing for mp3/mp4 Want to make your products more attractive? Want to make your products be unique? Want to make your products selling highly? IMD/IML technology can be of help in your business. 1. The surface is a hardened transparent thin film(usually PET foil) 2. Middle prints the design level. 3. Back is plastic level. Advantage: 1.Owing to the printing ink clamps in among ,the surface of product can prevent from scratch-free ,bear with friction. 2. The surface of the product can the long-term maintenance color bright not be easy to fade.