High Quality Product:- Tough outer case made from durable EVA (Ethylenvinylacetat), with shock and vibration proofing. Engineered fit HDD case for all A-Data 2.5" hard disks and hard drive enclosures. * Great Additional Features:- Elastic strap to hold your HDD securely. Internal pocket for a data cable, with a zip closure for easy access. Features a belt loop for ease of carrying and accessibility. * Dimensions: W: 171mm x D: 133mm x H: 44mm, Internal dimensions: W: 151mm x D: 105mm x H: 25mm.