Sleeve case Material: Silicone Supported HDD sizes: 2.5" Number of devices supported: 1 Shock resistant Transparent Provide protection against shocks/impacts to a 2.5in hard driveThis silicone hard drive protector sleeve provides a layer of sturdy protection against potential shock/impact damage for your uninstalled 2.5in hard drives.The hard drive protector features a durable silicon design and a ventilation hole in the top for enhanced heat dissipation.This versatile hard drive sleeve offers the flexibility to fit most IDE and SATA/SAS 2.5in HDDs. The silicon sleeve features a tip cover that's specifically designed to protect the hard drive interface ports during transportation, but can be removed for installation.An ideal solution for keeping unused drives safe while not in use, the silicon drive sleeve is a perfect addition to our "bare drive" (trayless) hard drive enclosures.The StarTech.com Advantage- The removable end cap leaves the rest of the drive protected while it is in use