Features:1. Superb Card Binder, trading card binder is made of thickened PU material, has admirable toughness and is not easy to be torn.In Addition, the card sleeves made of ultra-clear non-PVC polypropylene is durable, waterproof and acid-free, which is great to keep card from fading and stains.protect your favorite cards.2. 400 Pockets Storage Space, 4-pockets card binder comes with 400 card pockets, including 50 removable card sleeves(double-side pocket).With size of 3.6x2.7in, each pocket hold up to 2 1/2 x 3 1/2 cards and other standard cards, plenty of space ensures your favorite cards securely stored and neatly organized. 3. Portable for carrying, Portable wristband supports you to take the card binder wherever you need. Designed for trading card lovers! You can to share your favorite cards with your good friends or classmates at any time.4. Multiple Protection, Top-loading design of card sleeves are conducive for card insertion and prevent your cards from falling or beverage infiltration. Smooth zipper benefits to zip up or expand, again preventing card from slip off and protecting privacy. it will hold and protect more of your valuable and cherished cards.5.Wide Applications, Trading card sleeves fit for all standard sized trading cards such as, Football Cards, Baseball Cards, Basketball Cards, Playing Cards, Gaming Cards, MTG cards, 3 inch photos, coupons, business cards, credit cards, gift cards or other cards etc. Great for card storage and display.