1. Wide Use: It can be fit most cups, such glass cup,stainless steel cup, Ceramic cup etc. for better results, we recommend using flat bottom glass cup or stainless steel cup. Placing a lid over mug will also help retain heat.
2. Best gift choice: keep beverages(Coffee, tea, milk etc) warm whole day, making it a great gift for lover, dad, mom, wife, husband, grandparents and all your loved ones on Valentine's day, Thanksgiving and Christmas, and other special occasions to express your sincere care.
3. Winter's Gift: This warmer is a great choice for keeps your body warm all day, great helper to creat a better life. And also Popular for Birthday,Christmas,Thanksgiving Days Gift