Abstract: Subject of the invention is the enclosure, especially for SPA, having the shape of semispherical bowl, beneficially containing the sliding door. The enclosure, especially for SPA, according to invention, is characterized in that it contains several spherical segments (A), each of them created by frame (1), with beneficially transparent plates (2) inside, whereas the lower part of segments (A) is located on the circular or oval running track (3), placed on the ground, while on top segments (A) are separably connected to the edge of surface (B), having the shape of beneficially transparent bowl, at the same moment there is sliding door (C), between the edge of surface (B) and lower running track (3), having at least one spherical leaf.