200 CD Jewel Cases - Clam Shell Style - 4.2mm - Single, Clear - 4.88" x 4.88" #CDBR42CSCL (Clamshell DVD Boxes, Holders) Super thin (4.2mm!) perfect for condensing your CD collection! Clamshells are great for organizing your data discs and saving your desk space! Flexiblle Polypropylene Material Prevents Cracking Better than Standard CD Cases Perfect for Behind the Counter Storage for Retail Stores