Good: people claim they drove a truck over this thing without damaging it. I haven't put it through such extreme tests, but I believe them. The screw top closure makes it durable and truly waterproof, reducing the chance of accidental loss. I've used faster USB3 drives, but they have fairly high read/write speeds. Good price for what you get. The bad: The cylindrical form factor makes it unwieldy for a keychain; This wasn't my intended use, so it's not a problem for me. I was going to write that 16GB is a pretty low capacity by today's standards at a pretty high price, but I just opened the product description and saw that they now offer up to 256GB in the same package (including 64GB for 50 cents) . larger than the 16GB version; gr.) The 256GB version costs a few bucks more than the hard drive I have on my keychain; The added waterproofing (I only have a regular rubber cap pressed on) is probably worth the price difference. Verdict: This thing looks almost indestructible, and there are now higher-capacity drives that sell for a decent price. If you need a flash drive that can take a lot of abuse, then this is it. Five stars.
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