Cortex Sleeves are premium card sleeves for standard-size trading cards (Magic: The Gathering, Pokémon, Lorcana, One Piece, Flesh and Blood, etc.). Precision-made from high-quality materials, these sleeves offer longevity, a smooth shuffle feel, and a highly opaque back, making them the perfect choice for every situation—from kitchen table play to high-level events. Available with a glossy or matte, non-reflective front.