Playing outside is serious business. These vacuum insulated Kid Kanteen products keep cold drinks cold, while helping youngsters stay hydrated. Like all of Klean Kanteen’s products, these bottles are free of BPA and phthalates. When it comes to your family’s health, they aren’t monkeying around. Climate Lock™ double-wall vacuum insulation keeps contents hot for up to 12 hours or iced for up to 40 hours Chip-resistant Klean Coat finish 18/8 food-grade stainless steel and electropolished interiors don’t retain or impart flavours Opening fits ice, easy filling and pouring Slim design fits in most cup holders Made from safe, durable, high quality materials 355ml (12 US fl oz)