A double walled, vacuum-insulated body is made of 18/8 stainless steel which insulated cold drinks for up to 24 hours and hot for up to 6 hours, keeping them as fresh as any "just-purchased" option. The double wall also means the exterior will stay a comfortable temperature to hold, while Perfect Seal technology ensures that the lid is leak-proof and will not fail. Available in a variety of colours with a stylish matte finish, making it a fashionable piece as well as functional whilst reducing your plastic footprint. The bottle is suitable for a standard size cup holder to sit comfortably on car journeys and is BPA free for peace of mind. Leak and Spill proof Vacuum-insulated body Stays cold for 24 hours / Hot for 6 hours Stays hot for up to 6 hours Stainless Steel, BPA Free Capacity: 500ml/17fl oz Size: Height 26.5cm x Diameter 6.5cm