TRANSPARENT PROTECTIVE SLEEVES Phantom Sleeves are high quality card sleeves made specifically for board gaming. PREMIUM CONSTRUCTION: Acid-free & non-PVC sleeves. 100um Thickness. PROTECT YOUR CARDS: Ideal for trading cards and other various card games. Be able to see the artwork on both sides of the card while keeping it safe! COLOR CODING: Each size of sleeves are named by a specific color for easy identification. Find the right sleeves for your game with the size guide.