NO Additives, Extenders, Dyes, Plasticizers or chemicals No glaze used so no toxins there as well. Each piece is individually handcrafted & hand finished.
Increase temperature from low to medium in 5 minutes and cook on medium heat. Maximum heat setting on stove top is medium heat (5 or 6 on a scale of 1-10). In the oven is 450 degrees. Because pure-clay is a great retainer of heat there is hardly a need to go past medium setting.