Laken Vacuum Insulated Stainless Steel Thermo Flask 17oz 0.5 Liter Red Double wall with high performance vacuum insulation Keeps cold 24 hours and hot 12 hours Unbreakable construction made of food grade 18/8 stainless steel Screw-on cap and wide mouth for easy pouring and comfortable drinking No Bisphinol A, phthalates, lead or other harmful substances For hot and cold water and beverages