Small Hard Drive Case for Ultra Protection for Mini / Slim External HardDrives Compact case to store or transport smaller portable hard drives. Fits hard drives up to: 5.5" x 3.5" Slimline design allows case to easily fit into any backpack or briefcase w/ Zippered closure Durable, hardshell exterior to protect valuable data. Interior strap secures portable hard drive in place. Zippered closure