Compucessory Jewel Case, Stackable, 8-Capacity, Holds CDs/DVDs,3/PK,Clear Unique storage system allows jewel cases to be used individually or stacked to create a custom rack. Cases interlock for stacking and can easily be removed for portability. Each case features a slide out tray for easy access to CDs or DVDs. Tray locks into place when used as a normal jewel case. Stacking jewel case holds up to eight DVDs or CDs in one case. Modular design provides unlimited expandability. Labels included for each case.