Constructed of double wall stainless steel, this mug is an excellent choice for those who want to enjoy both hot and cold beverages. It features a 12 oz. capacity and a cork base, which serves as a coaster and prevents the mug from sliding around on smooth surfaces. It will keep beverages hot for up to 8 hours and cold for up to 12 hours. This item does not contain and BPA, phthalates, lead or other harmful chemicals. FDA-approved and passed California Proposition 65. Choose from the color options and add an imprinted brand name, logo or message. Sold in lots of 36.