The products were made of Jesmonite which features both good flame and impact resistance. Jesmonite is kind of acrylic resin which consists of a gypsum-based material. The colours of the products are all originated from the metal particles casted in the resin. Colours might occur or change according to its exposure to moisture, alkaline or acidic substances.
All the products are hand made. It may not be the exact piece as the images, variation should be expected.