How to Care for Your Semi-functional Ceramics Step 1: What are Semi-Functional Ceramics Semi- functional Ceramics are pieces that you can use for food and beverages,But they need a little more extra care than typical functional ceramics such as hand washing.Examples of Semi- functional pieces are wooden stem chalices, mugs with gold, silver or mother of peal luster. Step 2: How to Care for Semi- Functional Ceramics All Stories N’ Stoneware Pieces come with a care sheet included in the package.Please follow the care sheet that came with the piece, for specifics of care for your Semi- Functional piece.Most Semi- Functional pieces will require hand washing and not be microwavable. Please consider this when purchasing a piece.