A mineral-based decorative plaster with high vapor permeability and air permeability, which gives the appearance of travertine on internal walls. The structure of the plaster gives the possibility to achieve different decorative effects depending on the client's desire and skill of the master. Thanks to its high permeability it allows the surface to breathe. Created entirely on a water-based basis, the product is harmless to human health and the environment. The plaster is pleasant to smell thanks to its perfumed ingredients.