Certification and Declaration of Conformity
While the goods offered on this site have been certified as safe for use with food and drinks, they are not suitable for casual day-to-day use.
Even though occasional washing in a dishwasher is OK and the pigments will not fade (they are fused within the glaze), frequent exposure to the high temperatures may lead to glaze cracking. Over time, slight cracking of the glaze may occur, it's a natural quality of low-fire earthenware.
Maiolica should never be put in a microwave - the foot remains porous and water absorbed during washing up could cause problems.