In this high-tech world, flash drives are now a common item given out as gifts. It is very common for companies to print gift flash drives our to customers. For individuals, however, as it is difficult and expensive to print or emboss names, this is less common. Customized shape usb flash drives requires a mold to be made. At most, the best way for a personalized usb for individual units is via laser engraving only, as fully custom items will require typically a minimum order of 100pcs.
Below is a video of the trends of flash drive in Malaysia:
Also shown below is a laser engraving video of a metal surface thumb drive:
Other materials: http://www.ffpam.org.my/custom-usb-drive/