Each pack contains whole cooked prawns, head and shell on They make a perfect show stopping starter For a starter, you would need 2 per person Crevettes are giant cooked prawns in their shells. As you can tell from the name, they\'re a French speciality (although the prawns themselves come from warmer climates). They\'re ready to eat after peeling and deveining, although you could reheat briefly and serve warm. And they are delicious. This is one of the most popular formats in which we sell king prawns.All deveining instructions are on the pack. Please note that the size of the prawns in the boxes are likely to fluctuate from prawn to prawn. If you want prawns that are of similar sizes, the we suggest going for the packs of 4 as we try to match up the sizes as much as possible.