16 oz. / 0.48 literHeat retention: 187 Degree at 1 hr. / 154 Degree at 6 hrsCold retention: 48 Degree at 6 hrsCompact design takes minimal space while maximizing capacityMade of BPA-free plastic and stainless steel5 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)