It has two spaces covered with a constructed area of ??103,365 meters squared. The first three tracks hosting the plants with capacity of 12,000, 3,500 and 2,500 spectators, respectively, and the areas of players, officials and media, catering, VIP area and the general public. The second includes 11 indoor courts, 5 and 6 for tiered training and other facilities and services. The interior can accommodate international competitions, both tennis and other sports and major events of all kinds. One of his main innovations are the covers' mobile stages which, in sporting events, allowing three simultaneous competitions in case of rain. Madrid's Magic Box name is associated with the shell of the sports hall, which gives a dynamic and changing. Its exterior is reflective and dull day for protection from the sun, and sparkling at night. The building combines cutting edge design with the versatility and sustainability.