9-pocket PRO-Binder with embossed middle black web material gives cards a classic framed look. Side loading pocket design to prevent cards from easily falling out. Elastic strap holds the binder shut when Holds 360 cards in Ultra Pro Deck Protector sleeves. Archival-safe, acid-free non-PVC material.web material creates a no-slip grip for cards. Side loading pocket design to prevent cards from easily falling out. Elastic strap holds the binder shut when not in use.