The "Properties" option requires that the user first selects an object from the geometry panel beforehand. When the option is selected, the following tab appears:
"Material Properties" tab
The upper table shows the different surfaces of the selected object and the number of layers they have. In the bottom table, these layers are detailed showing the type of layer (if the "Material" column shows a material name, then the layer will be the same type as the type of the material) and the thickness of the layer.