A colorful Joy to the World design decorates front and back of this heavy duty stainless steel mug, finished in white on outside. Fun to give and use at Christmas time. Keeps hot beverages hot and cold ones cold for hours. Holds about 20 ounces; clear heavy duty plastic lid includes sealing ring to reduce spills, plus a sliding mechanism at top that easily opens or closes the drink opening. To care for tumbler, hand wash only and do not microwave.