... 3.Fashion/Simple design 4.OEM/ODM... silicone usb cover for promotional Silicone usb flash drive /usb flash memory /usb stick ... and so on.MaterialABS, PVC/silicon, metal, wood/bamboo for choiceLogo Printingsilk printing, embossing, hot stamping, full color printing, ... laser engraving and so on.PackageCurret retail pakcage: blister package, metal box, color paper box, ...