Zojirushi SV-GR35 Bottle, Stainless Steel 12 oz. / 0.35 liter Heat Retention: 160 Degree at 6 hr. / 106 Degree at 24 hrs Cold Retention: 48 Degree at 6 hrs 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)