It holds 661 ounces, or 20 liters, of beer ... but it's the most common keg used for European imports like Heineken. Want more food knowledge? Sign up to our free newsletter where we're helping ...

If you’re planning a big summer BBQ and need to stock up on crowd pleasers, check out the spring bundle (£157.60, Beerwulf.com), which includes four whopping kegs from Heineken, Birra Moretti ...