https://salini-srl.com/unitazy-i-bide/unitazy-gemelli/ 

The GEMELLI wall-hung toilet will fit perfectly into the interior of a variety of bathroom styles: from modern to minimalism. The slightly rounded, but at the same time quite strict shape of the product will allow it to be combined with many bathtubs, sinks and other Salini sanitary ware items made of S-Stone material.
The GEMELLI toilet is a combination of a rimless white ceramic base (VitrA) and an outer body made of S-Stone material, which can be painted in the RAL Classic palette.
The S-Stone material is developed using the patented Solid Surface technology, which ensures a high level of hygiene and hypoallergenicity, and also guarantees ease of maintenance and the ability to easily remove damage by grinding at home.

Material: S-Stone