5 Standard Empty Clear Replacement CD Jewel Boxes with Dark Gray/Black Inner Trays (Assembled) - CDBIS10DG (Grey Trays) Standard 10mm Thick! (Appx .43") This is the same size that the majority of CDs are sold in! Crystal Clear Jewel Box and Removable Dark Tray! These jewel boxes are 5-9/16" x 4-7/8" and ~0.43" (10.4mm) thick.