100 Transparent Fluorescent Blue Colored Replacement CD Trays / Inserts for CD Jewel Boxes! #CDIS80TFB - Fits any standard size 10mm Jewel Box! GLOWS IN THE BLACKLIGHT! Replace your broken trays that the CD won't "snap" into place in anymore Protect the disc! Discs sliding around in CD Boxes get damaged easily! Fits into any standard 10.4mm jewel case