Best Protection: The high-quality rigid exterior shell offers the maximum protection from accidental bumps and falls. The impact and shock is not transferred to the HDD inside.1680D Ballistic Nylon Exterior: The exterior material is 1680D ballistic nylon which is the best in class. It is dust proof, stain proof and tear proof. It has a lustrous finish and very sophisticatedSecure Safety Belt: The secure safety belt mechanism, like to a car seat belt holds the HDD in one place and secures it. This means the WD hard disk is secured and does not strike the inner walls of the case when being carried or importantly during a fall. Normal elastic loops of other HDD cases cannot do this.Soft Interiors: Soft and plush inner lining ensure the HDD is safe and is not scratched or nicked any point in timeMesh Pocket: The additional mesh compartment is very useful for storing the connecting USB cable, pen drives etc.Versatile Hook: The case can be easily hooked to a bag or trouser belt loop and carried around. The carabiner hook can also be used as a handle to carry the case around.Quality and Warranty Promise: Quality materials, high-performance zipper and excellent fit and finish ensures that the GoFree HDD case is the best case for your external HDD. Each GoFree product is quality checked before shipment and comes with 6 months limited warranty against manufacturing defects. Your satisfaction and peace of mind are guaranteed.Compatibility: Maximum size hard disk this case can support is: Length: 14.6cm / Width: 8.6cm (Length: 5.7in / Width: 3.3in). Compatible with WD Elements, WD My Passport Ultra, WD My Passport Ultra II, WD My Passport Ultra Metal Edition, WD My Passport Wireless.