Store and organize up to 3 times as many CDs or 4 times as many DVDs in the same amount of storage space you currently use by replacing bulky plastic cases with ! Each storage sleeve (sold separately) is compartmented to hold all the parts that come with a standard CD or DVD: two discs the cover wrap and the booklet. As many as 75 sleeves fit into the foot long clear polycarbonate storage trays and alphabetical dividers (sold separately) can help keep your collection really organized.