Description ILCA 4 sail package – this is the official, class-legal sail with button. You will need this to compete at any of the UKLA events, National and International events. Don’t forget to order up 9 inch or 230mm sail numbers to go on the sail. sail numbers GBRs tell tails sail numbering service – just let us know your sail number in the comments box at the checkout. Please note, at peak times, this may take a little longer. battens
