✔MEET ALL YOUR COLLECTION NEEDS: This card binder is perfect suitable for standard-size trading cards, such as Baseball cards, football cards, MTG Card Games, Cards Against Humanity, Unstable Unicorns Base Games, Monopoly Deal Cards...It is a perfect fit for playing card games like Joking Hazard Game, Monopoly Deal Card Game, Phase 10 Card Game, DropMix Music Gaming System Cards, Dutch Blitz Card Game, and so on. ✔PERFECT CARDS ORGANIZER: Say goodbye to messy cards! This binder is the perfect solution to card collecting problems-4 card slots, a double-sided design, can hold up to 400 cards, the transparent card sleeve protects the cards and makes it easier to browse and display your cards without taking out the cards. Keep your trading cards in mint condition and organized, it is the ideal binder. ✔DURABLE & WATERPROOF: Made of high-density EVA foam and PU leather, our carrying case binder is durable, non-breakable, waterproof, oil-resistant, and comfortable to touch. Smooth and waterproof surfaces are easy to clean, and you can easily wipe stains or water stains, which makes your card case look like as always new. The closed zipper design provides multiple protections so that the inner page or cards does not fall, and can protect your cards from fading. ✔PORTABLE AND EASY TO USE: The unique extra wrist strap design provides a more convenient way to carry when kids like to take the binder to school or friends' houses or travel. The upper part of the page is designed to easily insert and remove cards. And you can easily add or subtract pages by opening and closing the metal binder ring of the binder. (Please note: Be careful of pinching your hands when closing the metal binder ring.) ✔BEST GIFT FOR CARDS COLLECTOR: With a unique design, bright color, and elegant appearance, this card binder is the best gift for card collectors. It is loved by different ages of people, especially 3-12-year-old kids. You can easily feel distinctive and different from other normal binde