... :2-20mm Description Detailed Product :1. Name: acrylic led poster frame light box 1. Fine mechanical performance; good crack resistance and ... sanitary application.6. Door and window cover. 1, construction: windows, soundproof windows and doors, mining mask, telephone booths, etc. 2, ad: light boxes ... fluorescent lamps, chandeliers, street lamp, etc.5. Picture show acrylic led poster frame light box