Penta Mug  set of 2 mugs with handmade effect coloring. The paint used is suitable for contact with food. Stoneware is a soil-based material used in making plates and bowls by firing at 1100-1300 degrees. It is much stronger than ceramic and does not absorb water compared to ceramic. Since it is fired at higher temperatures, it can be used safely in microwaves, ovens and dishwashers for many years. Set includes:  2x cup 320 ml  Materiel  : 100% stoneware color : Blue