Bestbuy offers SanDisk - iXpand Flash Drive Go 128GB USB 3.0 Type-A to Apple Lightning for iPhone & iPad - Black / Silver for $39.99 (orig. $54.99) free shipping.

Product Description:
Free up storage space on your iPhone with this SanDisk 128GB iXpand flash drive. The high-speed USB 3.0 connector makes moving content to a computer quick, while the solid-state storage ensures vibration and shock resistance. This SanDisk 128GB iXpand flash drive has password protection that's compatible with iPhone, PC and Mac for secure data storage.