Zojirushi SM-KC48 Stainless Mug, Bordeaux 16 oz. / 0.48 liter Heat retention: 187 Degree at 1 hr. / 154 Degree at 6 hrs Cold retention: 48 Degree at 6 hrs Wide mouth accommodates full-size ice cubes Made of BPA-free plastic and stainless steel 5 year warranty on heat retention (for a period of five years from the date of Original purchase; product must be used within the US or Canada)