Cortex Matt Sleeves are premium card sleeves for Japanese-size trading cards (Yu-Gi-Oh!, Cardfight!! Vanguard, 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. Size: 2.4 x 3.5 inches.