<p> <span style="font-size: 12.0px;"><span style="font-family: arial , helvetica , sans-serif;">The ideal frothing jug would be a stainless steel jug of around 300ml in size, which would hold enough milk for two cappuccinos. I have found several available on Amazon.co.uk of varying prices, and they are also available in department stores and supermarkets. The picture on our product box depicts a standard canteen milk jug of the same size.</span></span></p>