BuyDig again offers the Lexar 16GB JumpDrive S33 USB 3.0 Flash Drive 4-Pack in Black, model no. E3LXLJDS3316G309, or Teal, model no. E3LXLJDS3316G310, for $20.99 with free shipping. That's tied with our mention from two weeks ago as the lowest total price we've seen for this quantity. (It's a current low by $15.) These flash drives feature a swivel design and retractable connector.