... embossing, hot stamping, full color printing, laser engraving and so on.PackageCurret retail pakcage: blister package, metal box, ... silicone usb cover Material100% silicone; It's harmless, non-toxic, and eco-friendlySize Accept any customized sizeColor Customized Logo colorAny ... , competitive price, quick delivery time and best service.Application:USBFeatures:1.non-toxic,no harm to human body 2.eco ...