Features:-The outside is made of thickened PU material, not easy to tear. The inner card sleeve is made of clear non-PVC polypropylene, which is durable and acid-free to prevent cards from fading and staining.-With 900 card pockets, it will hold and protect more of your valuable and cherished cards. -Top-loading design of card sleeves are conducive for card insertion and prevent your cards from falling or infiltration. Smooth zipper benefits to zip up or expand, again preventing card from slip off and protecting privacy. -Portable wristband supports you to take the card binder wherever you need. Portable for carrying.-Suitable for all standard sized trading cards such as, football cards, baseball cards, basketball cards, playing cards, gaming cards.