Protect your valuable card collection with Ultimate Guard Katana Sleeves. These sleeves are made of premium polypropylene, which is the industry standard for clearness and usability of card sleeves. The extra high clearness of the sleeves ensures that your cards are always visible and easy to read. The sleeves are fully opaque, with an anti-reflective surface and no holographic logos, making them perfect for tournament gameplay. The extra durable material prolongs the lifetime of your cards and keeps them playable, even during heavy use. The sleeves' material properties are perfect for hassle-free shuffling, ensuring that your cards are always ready for play. Additionally, this product is completely free of PVC and acidic materials, making it ideal for collectible cards.