1.DIY pattern 2. Quantity:36pcs/case 3. Material :Ceramic 4. Mini Order:1000pcs 5.Use soft cloth to wash, don’t use edge tool to scrub it so as not to damage coating 6.Don’t use in the microwave oven and dish-washing machine 7.Avoid cold and hot temperatures. Such as out of the freezer and immediately pour boiling water ,otherwise it may cause rupture 8.Avoid prolonged exposure to sunlight,so as not to affect the temperature-sensitive coating pattern color fades 9. Passing FDA Wudu test , all color-changing mugs in our company full compliance in terms of lead,cadmium and other heavy metals,which can be assured use 10.We sell safety testing discoloration mug only Single Design above 10 boxes.Multi-Design above 5 boxes can be quoted the following prices .The price will be higher if the quantity is small.