Maxtek 1,000 Pieces Clear Transparent CPP Plastic CD DVD Sleeves Envelope Holder, 100 Micron Thickness. Maxtek high quality CPP CD DVD sleeves. Keep your CD/ DVD discs from getting damaged, while allowing you to view the contents! Material: 100 micron Cast Polypropylene Dimension: approximately 6 2/18" x 5" (with flap) 1,000 pcs total.