The convertible Sidekick provides very easy access to a double-sleeved 100-card deck. Designed to hold up to 100 double-sleeved cards. Sideloading: cards are stored horizontally. Completely removable cover. Allows Mix & Match customization. Easy access for effortless removal of your deck. Freedom of use: Wide variety of ways to display and tilt your opened box. Powerful magnets for a precise and secure closure. Premium materials (Nexofyber surface + microfiber inner lining). 100% compatible with convertible storage solutions, such as the Gamegenic Dungeon.