Made from the best quality steel on the market – 18/8 premium steel, the Falk Water Bottle has a thermal function and keeps liquids both hot and cold. Material Stainless steel Keeps liquids cold for up to 24 hours Keeps liquids hot for up to 12 hours Unbreakable Leak free Perfect for little hands to hold Dimensions Ø6.5 x H15.2 cm (250ml) or Ø6.5 x H19.2 cm (350ml) Washing instructions Wash by hand • Do not use in oven • Do not use in microwave oven • Do not use on heating plate • Do not wash in dishwasher • Safe contact with food