This manufacturer's glazed and terracotta pottery are high fired between 990 and 1000° degrees centigrade ensure frost resistance and durability. Due to the processes used in the manufacturing of hand-made and hand-glazed containers, all variations with respect to firing, color, size, and crackling are natural occurrences in the manufacturing process. The glazes on containers consist of natural, not chemical, components and therefore the final color of the product will vary. This process creates the unique beauty of each piece.