Description: More material (more thick), stronger Arc connection design and open bayonet are more reliable. There are two straight protrusions on the four sides of the box, so that the hard disk is installed in the inside more firmly Built-in large sponge (which is several times larger), no matter how thick the thin plate is installed, it won't shake. It is more stable, better shockproof, and can better protect the hard disk. Anti-static, shock-proof, moisture-proof, dust-proof, wear-proof, non-slip Cleaning method: Use a tissue or flannel to wipe with water! Specification: Material: PP material material Size: 155*105*30mm Applicable scope: 3.5'' hard disk Package Includes: 1x HDD Case Note: Do not touch strong corrosive gases or liquids