the pics attached here are USB shell/enclose 
on each blank top have model number and price in dollar 
we supply hundreds different models.

we supply OEM service 


and here are the detail info for the flash info 
(have taiwan .hynix and samsung flash for choose ,we always use hynix flash )
Detailed Product Description

fashionable look ,smart and good touch feeling

high data transfer speed

1) Supports all USB version 1.1 or 2.0 devices

2) Interface port: USB V1.0/V1.1/V2.0

3) Read speed USB 2.0: >9 MB/second

4) Write speed USB 2.0: >7 MB/second

5) No battery required

OEM service, gift box