BOTZ glazes: they are all non-toxic, i.e., they are lead-free and do not contain a concentration level of hazardous substances whose indication is required in compliance with the Regulations on Hazardous Substances.All BOTZ glazes are brush-on glazes – ready-to-use and easy to apply with the brush. As they are lead-free and non-labelled, they are ideal for use in training, leisure and in the field of professional ceramics design. Thanks to their excellent brush-on capacities, all glazes are very rich. A 200ml jar is equivalent to approx. 350 to 450g mixed powder glaze.