The card binder album is waterproof EVA foam and PU leather, with good shock, dust-proof, and moisture resistance. The quality zipper seals the binder to keep the cards intact; an extra wristband design makes it easy to carry around. 4 Pocket Binder Holder Trading Card, Fits 400 Cards with 50 Removable Sleeves; the 3-ring design is convenient for you to add or remove sleeves and meets all your collection needs.