Stay hydrated with the Double-Walled Stainless Steel 500ml Water Bottle Available in 3 colours: gold, silver and rainbow Capacity: 500ml/0.5l Helps retain temperature of drinks Keeps drinks cold for up to 24 hours and keeps drinks warm for up to 12 hours Ideal for travelling, gym, picnics etc Buying options: 6.99 pounds instead of 19.99 pounds for 1 x bottle - save 65% 12.99 pounds instead of 39.98 pounds for 2 x bottles - save 68%