One-piece swimsuit made of black fabric and colorful with a motif of colorful rainbow dots, perfect for use both on the beach and at the pool. The cut of the costume combines functionality and elegance. The costume has a built-in bra with soft cups on underwires and adjustable, non-removable straps. The width and type of straps are tailored to the size of the costume. Black fabric inserts on the sides visually slim and shape the silhouette. The back of the costume fastens with a clasp.