Arrr! It’s Robert the Pirate in his sturdy piratecostume to sail the seven seas! His faithful feathery friend hands him is binoculars: are those mermaids swimming in the distance? hoy, matey! The pirate costume is made of 90% cotton and 10% polyester. The length of the pants is 48 cm (3-4 years) or 60 cm (5-7 years).