Durable PU Leather Card Binder: Crafted from high-quality PU material, it's comfortable to the touch and highly water-resistant for excellent protection. Card sleeves are made of clear polypropylene, waterproof, super stable, not easily broken, great for protecting your cards from fading and stains. Large Capacity & Space-Saving: Double-sided use per page, totaling 50 pages of clear card sleeves, holding up to 400 cards. Cards are clearly visible and easily reorganized. 3-ring binder allows for convenient adjustment of card order, adding or removing sleeves. Smooth Zipper & Convenient Wrist Strap: Quality zipper seals the binder, keeping your cards organized and safe from dust and falling out. Includes a wrist loop for convenient carrying. Wrist strap length: 14.5 cm. Fits Multiple Card Types: Each clear card pocket measures 3.5 x 2.7 inches / 9 x 7 cm (L x W); this collector's binder fits all standard-sized cards, such as Skylanders, Pokémon, football cards, baseball cards, basketball cards, Top Trumps, trading cards, attack cards, MTG cards, PECS cards, proxy cards, mini photos, coupons, stamps, or stickers, etc. Best Gift for Card Collectors: A great holiday gift for kids/children/girls/boys/teens/adults who collect cards. A fantastic accessory for Pokémon card collectors, or as a school supplies album.