Roll-on container (1) for fluid products, particularly for medical, pharmaceutical, cosmetic or similar products, comprising: - at least one hollow body (4) for the containment of a fluid product (F); - at least one spherical distributor body (5), housed in a retention seat (6) obtained in said hollow body (4) and capable of allowing free rotation of said spherical distributor body (5); - at least one closing body (7, 8, 9), capable of covering at least partially said spherical distributor body (5); characterized in that: - said hollow body (4) and said closing body (7, 8, 9) are made in a single body part and, in an initial configuration, are joined along a preset break line (12 ) capable of allowing said closure body (7, 8, 9) to be separated from said hollow body (4) in an opening configuration in which on said hollow body (4), in correspondence with said preset break line ( 12) a mouth (13) is obtained from which said spherical distributor body (5) partially protrudes; and - said closing body (7, 8, 9) comprises at least a first cover portion (7), which can be said said spherical distributor body (5) in said initial configuration and, at least, a second cover portion ( 8), apart from said first cover portion (7), which can be adjusted in said mouth (13) and capable of covering said spherical distributor body (5) in a new closure configuration.Recipiente roll-on (1) para productos fluidos, particularmente para productos médicos, farmacéuticos, cosméticos o similares, que comprende: - al menos un cuerpo hueco (4) para la contención de un producto fluido (F); - al menos un cuerpo distribuidor esférico (5), alojado en un asiento de retención (6) obtenido en dicho cuerpo hueco (4) y capaz de permitir la rotación libre de dicho cuerpo distribuidor esférico (5); - al menos un cuerpo (7, 8, 9) de cierre, capaz de cubrir al menos parcialmente dicho cuerpo distribuidor esférico (5); caracterizado porque: - dicho cuerpo hueco (4) y dicho cuerpo de cierre (7, 8, 9) están he