|AgION® antimicrobial additive prevents the growth of bacteria, mold and fungus. Clear overlay on covers and spine inspires you to create customized presentations. Documents stay secure with locking D-Rings that hold 25% more than standard round rings. Having the rings mounted on the back lid allows pages to lie flat and adds a sleek, clean appearance with a rivetless spine. Two clear inside pockets provide extra storage for loose documents.