For an easy and simple solution to the storage and mailing of your CDs and DVDs, these envelopes are the perfect solution. Q-Connect is dedicated to providing you with high quality solutions to common office problems. These envelopes feature a window that allows for easy viewing of the disk, allowing you to identify the contents of the envelope at a moment's notice. The polypropylene provides protection to the disk from scratching and other damage to your data's integrity.