SNT custom graphic overlays use PET, PC, acrylic, or glass for labels, symbols, and operating areas on industrial and medical HMI equipment. The range includes PET overlays, acrylic control panels, and glass panels. Sub-surface printing places graphics beneath the material surface. Listed options include UL94 V-0 flame retardancy, high flex life, and scratch resistance. Overlays can be developed with membrane switches, touch screens, circuits, plastic parts, or aluminum plates.