Custom Earbuds Magnetic Rigid Box With Foam Tray Insert And Custom Printing A magnetic box with foam tray is only as good as the fit of its cavity. If the tray is 2 mm too loose the earbuds rattle, if it is 2 mm too tight the customer cannot pull the product out. This custom earbuds packaging is built around a CNC cut tray engineered to your exact product drawing, wrapped in a printed rigid gift box that carries your brand on every shelf. Free Dieline And Sample Plan Within