We stock thousands of CD jewel cases and CD poly cases. Both CD jewel cases and CD poly cases come in a variety of styles such as: CD slimline cases, CD 1 disc and 2 disc poly boxes, CD 2 disc smart jewel cases and CD 4 disc quad boxes.  We carry both black tray and clear tray CD jewel cases, and the option to purchase the CD trays separately to assemble yourself. For those looking to mail CDs, our most popular and durable CD cases are the CD poly box and CD clamshell boxes. Both are slim - only 5.2mm, flexible and transparent - great for mailing!