Features: Good Quality: Thicker and stronger with high quality PP plastic injection moulding, it is a ultimate bodyguard for your hard drive. Water Resistant: It's anti-static, anti-drop, anti-shake, water resistant and dust resistant. It is truly the best partner for your HDD. Secure: Built-in anti-shock mat, keep your HDD storage more secure, easy lock and open mechanism make it user-friendly. Label: With marking label on the front of the box for convenient HDD library management,helps you to keep your HDD organized. Protection: Ideal solution for 3.5 inch HDD protection, external and Internal reinforcing rib providing extra layer of protection.