Klean Kanteen Wide Mouth Insulated Bottle - Brushed Stainless 12 oz. Insulates hot beverages up to 6 hours and iced drinks up to 24 hours Durable, double-walled construction with vacuum insulation 18/8 food-grade stainless steel, no liner No BPA, phthalates, lead, or other toxins Extra wide mouth for easy filling and pouring