The Allsop Plastic CD Organizer holds up to 25 standard jewel cases or 50 slimline jewel cases and even accommodates double or triple CD sets in any position. It's a modular system, so you can stack them or put them side by side. And they're wall-mountable, so you can turn your discs into wall art, or just get them up off the floor. Imagine sliding your discs over the 3/8" needed to add a new disc. That's what the CD Organizer does. It uses these spring-like fingers to hold your discs in place, but allows you to slide discs back and forth.