Tuxedo cats are not a breed but a color pattern that may occur in almost any type of domestic cat. The effect is of a cat wearing formal attire and is really pretty cute. Tuxedos can have white on the face and the tip of the tail as well, but the main requirement is black body, white chest and white paws.
Polystone is a compound made up largely of polyurethane resin mixed with powdered stone additives that give it added weight and the porcelain or "stone-like" feel that resulted in the materials name itself. Polystone is durable and highly effective at maintaining a sharp paint finish.