V&A Kilburn Insulated Drinks Bottle 500ml Bottle Design - William Kilburn ( 1745 - 1818) High quality hot/cold drinks bottles featuring bold and colourful prints, with accent colour lids. 500ml / 17oz Stainless steel bottle Double wall insulated Suitable for hot/cold drinks Secure-seal screw top with silicone gasket Stays hot approx. 12 hrs Stays cold approx. 24 hrs