The SKB CD-400 ATA Carrying Case (model number 1SKB-1717DJ) is a hard-shell case designed to hold CDs or DVDs.  It is made from vacuum-formed polyethylene and features lockable latches, a removable lid, and a gasket-sealed valance to protect against dust and moisture. The case holds up to 400 CDs in sleeves or 120 in jewel cases. ​