Four Square Media 10 X CD DVD Slimline Ejector Cases for 1 Disc with Black Trigger - Pack of 10 Genuine e-slimline CD DVD Ejector Cases With Black Trigger 5.2mm Holds 1 x CD DVD Blu-Ray Heavyweight Construction Strong & virtually indestructible - lasts longer To use, just push the trigger and the CD or DVD is ejected to half way out.