Controstampo is a free-standing roll top bathtub, inspired by industrial design. Controstampo is in Cristalplant® biobased, available in the finishes Colore and Corten. Cristalplant® is a composite material made using a low percentage of polyester and acrylic polymers and a high percentage of natural minerals. Therefore, Cristalplant® is a natural material with the following properties: hypoallergenic, non toxic, non porous, sanitary, hard-wearing and with a silky finish which resembles natural stone. Cristalplant® is also 100% recyclable, fire resistant (class 1) and with a high UV resistance. Part of the Controstampo line of bathroom fixtures and fittings which also includes a washbasin.