All the toilet seats bidet-toilet are made of thermosetting material produced through a unique processing that blocks the growth of micro-organisms as fungi and bacteria, preserving its original features and durability, they are non flammable and anti-odor. They are also resistant to dumpness, acids, greasy and oily solutions and common solvents as alcohol,acetone and surfactants. The smothness of this ANTIBACTERIAL material helps combat germs thus allowing a complete SANIFICATION against virus and bacteria. Therefore they are recommended in hospitals, communities, hotels and restaurants.