Used 16GB Cruzer Glide USB now only shows up as 64MB

So I have a SanDisk Cruzer Glide 16GB USB stick. I used it to install ChromeOS Flex on a laptop. After deleting the ChromeOS Flex files, it only shows up as 64MB. Is there any way I can fix this?

What OS did you use to delete the ChromeOS Flex files? If Windows check your Recycle Bin.

Just format it.

Did you use a boot flash usb utility to create the bootable drive to install? If so it may have a weird format.

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