Ultimate Guard Black Deck Case (100 Cards) Optimized for double-sleeved cards Holds up to 80 double-sleeved cards or 100+ single-sleeved cards, standard size 40% thicker material, Reinforced material, extra sturdy box Incl. one card divider Great for indexing your card collection and separating decks from one another; Also available separately in packs of 10 Write-on strip Convenient two-line labeling strip that helps you keeping track of your cards and organizing your collection Acid free - No PVC This product is completely free of PVC and acidic materials and therefore ideal for collectible cards