Description: Made of high quality Polypropylene material, more durable and stronger to use. Built-in anti-vibration and anti-static foam, good for 3.5 inch hard disk drive protection. Shockproof, waterproof, and dustproof, they are able protect all your HDDs safely. Super big label area on the front panel, you can mark the information on it conveniently. A snap lock make it is easier and convenient to manage your HDDs. Specification: Material: PP & EVA anti-static mat Support HDD: 3.5" HDD Dimension: 112X163X36mm Package Includes: 1PiecexHDD Case Box Note: HDD is not included