Product Description : Betty Boop Christmas Mug, 14 ounces, Green This Ceramic Travel mug is perfect for anyone on the go! With a locking lid and a skid plated bottom this mug is the perfect travel companion. The double wall insulation keeps drinks hot or cold and it is both microwave and dishwasher safe. California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.