Available capacity : 128MB,256MB,512MB,1/2/4/8/16/32/64/128/256/512GB.
Data preloaded: YES. 
Data workable time:10years.
Logo print/laser/engrave: YES.
PVC customize: Available.
Package box customize: Available.
100% tested.
Chip: toshiba.samsung.chipsbank etc.
Sample leading :1-3working days.
Mass production: 1-10K pcs 1week.
Payment: TT,western union,money gram.