As one of its daily deals, Amazon offers Prime members the PNY 64GB Turbo USB 3.0 Flash Drive, model no. P-FD64GTBOP-GE, for $19.99 with free shipping. (Non-members can get free shipping with orders of $35 or more; otherwise, shipping adds $8.) That's $5 under our August mention and the lowest total price we've seen. (It's also a current low by $3.) It features an integrated cap cover. Deal ends today.