Walmart offers the Samsung Fit 64GB USB 3.0 Flash Drive
, model no. MUF-64BB/AM, for $16.97
has it for the same with free shipping, Amazon
for the same with free shipping for Prime members.) That's the best deal today by a buck and the lowest total price we've seen. It's water-, shock-, magnet-, temperature-, and X-ray-proof and features data transfer speeds up to 130MB/s and a key ring hole.