Come and see our amazing products. The cup warmer is suitable for metal, enamel, ceramic, glassware, etc. A thin-walled, flat-bottomed mug will have the best warmth retaining performance. It has the human natural design idea and keeps the beverages always warm and will be the best gift choice to show your care to your families, lover, or friends on Valentine's Day, Thanksgiving, Christmas, New Year, or other special occasions. The price includes the shipping cost to ca, QTY for 1000pcs and over by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.