Additional product info: Collection Refill Hoenn Has Arrived! Add Plain Refills To Your Collection File To Enjoy Your Collection Even More! Ten Refills Can Store Up To 180 Cards. The 9 Pocket Refill Is Compatible With Both 3 Hole And 4 Hole Binders. It Features A Flap That Makes Cards Easy To Insert And Prevents Them From Falling Out Even When Upside Down. It Can Hold Cards That Are In Separately Sold Pokemon Card Game Deck Sleeves. Each Pocket Holds Two Cards. It Uses A High Transparency Sheet That Makes Card Illustrations Look Beautiful. It Also Comes With One Double Sided Index Sheet That Is Convenient For Organization.