All of our pieces are food safe and oven safe. We recommend gentle handwashing to ensure the longevity of the piece. When storing your special items we recommend to avoid stacking whenever possible. For items where staking is most practical we suggest stacking between pieces of felt to limit friction on the gold edges. Our pieces are hand painted with real 22k gold, therefore they are not safe to use in a microwave. Just like your grandmothers fine china, some ware to the gold is expected over time. The porcelain we use is dense and strong and our glaze is very scratch resistant so we hope you'll enjoy your pieces for many years to come. Thank you for shopping and enjoy your unique and special pieces!