The roll-on container (1) for fluid products, particularly for medical, pharmaceutical, cosmetic products or the like, comprises: a hollow body (4) for the containment of a fluid product (F); a spherical distributor body (5), housed in a retaining seat (6) obtained in the hollow body (4) and able to allow the free rotation of the spherical distributor body (5); a closing body (7, 8, 9), able to cover at least partially the spherical distributor body (5); wherein the hollow body (4) and the closing body (7, 8, 9) are made in a single body piece and, in an initial configuration, are joined along a pre-established breaking line (12) able to allow the separation of the closing body (7, 8, 9) from the hollow body (4) in an opening configuration wherein on the hollow body (4), in correspondence to the pre-established breaking line (12), is obtained a mouth (13) from which the spherical distributor body (5) partially protrudes; and wherein the closing body (7, 8, 9) comprises a first covering portion (7), which is able to cover the spherical distributor body (5) in the initial configuration, and a second covering portion (8), apart from the first covering portion (7), which can be fitted on the mouth (13) and able to cover the spherical distributor body (5) in a re-closing configuration.La présente invention concerne un contenant applicateur à rouleau (1) pour produits fluides, en particulier pour produits médicaux, pharmaceutiques, cosmétiques ou similaires, ledit contenant comprenant : un corps creux (4) destiné à contenir un produit fluide (F) ; un corps distributeur sphérique (5), logé dans un siège de retenue (6) placé dans le corps creux (4) et en mesure de permettre la rotation libre du corps distributeur sphérique (5) ; un corps de fermeture (7, 8, 9), en mesure de recouvrir au moins en partie le corps distributeur sphérique (5) ; le corps creux (4) et le corps de fermeture (7, 8, 9) étant fabriqués en une pièce de corps unique et, dans une configuration initiale,