"These walls will withstand any siege." – Two removable card holders keep up to 200 double-sleeved cards in this large and extremely robust deck box. The Stronghold is covered with elegant Nexofyber material, with soft microfiber inside, and also contains an accessories drawer. Just like other Convertible products, its flaps are removable and can be clipped to the back side of the box. Powerful magnets ensure a safe closure. Completely removable, interchangeable flaps and inner card holders offer Mix & Match customization options.