Cerulean Blue Glazed Terra Cotta Anduze Urn Planters - Set of 3Made from high quality earthenware, our terra cotta planters feature a glazed finish. Suitable for indoor or outdoor use. Our glazed and terra cotta pottery is high fired between 990 (terra cotta) and 1000 (glazed) degrees centigrade to ensure frost resistance and durability. Due to the processes used in the manufacturing of our hand made and hand glazed containers, all variations with respect to firing, color, size and crackling are natural