BuyDig via eBay offers the Lexar 16GB JumpDrive TwistTurn High Speed USB Flash Drive 4-Pack in Black/Silver, model no. LJDTT16GASBNA, for $19.99 with free shipping. That's $5 per flash drive and tied with last week's mention as the lowest total price we've seen. (It's also a current price low for this quantity by $16.) It features an LED activity light and hinged jacket.