How do i get my USB back

[iLast_Panda]

Heya everyone
I used my usb to help my friend by making it a bootable so he can install win7
The problem is that i used rufus to boot my USB and it turned my USB in to a DVD drive
I can't get it back !!pls help

 

[CountMike]

It couldn't have turned it into DVD, just format it. If it wouldn't format than you can use something like: http://www.pcdisk.com/download.html to delete partition and make new one in Fat32 format.