The Ultra PRO PRO 80+ Deck Box Black will safely store up to 80 sleeved cards (Pokémon, Yu-Gi-Oh, MTG, or any TCG with standard-sized cards). The lid is designed to self-lock upon closing, ensuring the safety of your cards from falling out if the box is turned upside down. Ultra Pro Plain Deck Box containers are made of durable material and are easy to maintain.