100 x 128 MB USB 2.0 flash drives + 20 lanyards. Yes, that's how the company sells them, aparently. And, that appears to be why they are sometimes returned.
These are cheap flash drives sold for the intent of being used for distributing promotional material, memorabilia at special occasions, or other single use scenarios. Reviews on Amazon seem to indicate that the out-of-the-box failure rate of these can be around 10%.
This could also be a good source of pentest drives for infosec audits.