Ultimate Protection For Hard Drives: The strong snap lock and reinforced case structure with dust-proof, moisture-proof, anti-static, stain-proof and splash-proof function of the hard drive case, gives your hard drive a safe and comfortable environment. Double Protection: 8 pcs of sponge cushions are included inside the hard drive case to cushion pressure and reduce shock. Convenient Design: The 3.5 inch storage cases perfect fit for 3.5 inch HDD, Book-style design allows easy opening, and An internal clip is designed to quickly secure a hard drive. Separate label stickers: There's a marketing label with 3 lines on the Top and Bottom of the 3.5 HDD case for convenient HDD library management. HAT IS IN THE BOX: 5 x 3.5'' HDD Protection Case, 1 x User Manual, 1 x Service Card.