Orico&reg; PHP-35 Professional Premium Anti-Static 5 Color 3.5" HDD Hard Drive Case Enclosure Protector HDD Storage Protective Box Gray Thicker and stronger with high quality PP plastic injection moulding Water resistanc,dust resistance and shock resistance design Built-in anti-shock mat, keep your HDD storage more secure Easy labeling helps you to keep your HDD organized External & Internal reinforcing rib providing extra layer of protection