iKross 3 Colors Package - 3.5 Inch IDE/SATA HDD Storage Protection Boxes - Green,Grey and Blue Designed to store your 3.5 inches IDE/SATA HDD. Portable And Easy For Storage Or Carrying Able to stack and protect all your hard disks safely.Able to keep your hard disks in order. It lets you store your hard drive just like a book on a shelf and protects against scratches or drops. The clear plastic lets you see what's inside and you can easily apply a label to identify the hard drive inside.