Few have as loyal a following as this classic icon. The pro's choice from construction sites to the outdoors it’s been keeping coffee hot around the clock since 1913. The ultimate in durability it’ll be kicking for generations to come. Vacuum insulation keeps drinks hot or cold 15 hours 18/8 stainless steel won't rust; naturally BPA free Insulated lid doubles as 8oz/236mL cup Leak proof and fully packable