Xbox studio Rare is offering a brand-new "Sails of Union" pirate sail for Sea of Thieves in support of the Stand Up To Cancer campaign in the UK and the US.

Specifically, 100% of the purchase price will be donated to Stand Up To Cancer when buying through the Microsoft Store, while 75% will be donated for purchases on Steam.

You can grab your Sails of Union sail on Xbox One and PC from now until November 6th for £4.99 / $5.99.

Have you bought yours yet? Show it off in the comments below!