The compact USB stick without all the extra plastic that comes with most USB sticks. It uses the full USB header, unlike some USB flash drives that only use the inserted part. Wristbands are pretty cheap, but I assume users won't buy these USB sticks for wristbands.
Kingston DataTraveler SE9 32GB USB 2.0 Flash Drive for Reliable Data Storage (DTSE9H/32GBZ)
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Kingston DataTraveler flash drive 100 G3 256 GB, 1 pc. black
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Compact and Convenient: SanDisk Cruzer Fit USB 32GB Flash Drive (SDCZ33-032G-A11)
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Titan Gray Samsung BAR Plus 256GB USB 3.1 Flash Drive (MUF-256BE4/AM) with Up to 400MB/s Transfer Speed
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2 TB External HDD ADATA DashDrive Durable HD650, USB 3.2 Gen 1, Blue
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π Seagate Backup Plus Slim STHN2000400 2TB Portable Hard Drive - Black: Your Reliable External Storage Solution
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π Seagate Expansion 3TB Portable USB 3.0 External Hard Drive (STEA3000400) in Black
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Game console Microsoft Xbox One X 1000 GB HDD, black
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