Plastic Triangle 6 x 12 Sail with Red and Blue Wavy Stripes on White Background Pattern, LEGO® Part# x66px8. Appears in set# 6595-1 (Surf Shack), #6414-1 (Dolphin Point), and #6342-1 (Beach Rescue Chopper). 

To learn more about the parts we offer, email us at info@atlbrick.com or call us at our storefront at 470-414-2208 and we'll be happy to help to answer any questions you may have.