Mamamia, one of the first chairs produced in air injection molding on the market which is a guarantee of robustness, not shaky and above all comfortable.More than 200.000 produced till today! Stackable up to 12 pieces for indoors and outdoors use in glossy black, white or transparent polycarbonate with second generation gas technology Airmould which is emptying the internal sections of larger seat through a flow of gas during the injection process. Scratch resistant, self-extinguishing class V2, antistatic, UV resistant.