The Ultra-Pro Gaming Sleeves are premium black matte card sleeves designed for standard-sized cards. The 50-pack is compatible with popular card games like MTG, Magic, and Pokemon. The sleeves are of high-quality and are perfect for protecting and showcasing your card collection with a sleek and professional look. With a size of 66mm x 91mm, these sleeves are a must-have for collectors and players looking to keep their cards in top condition.