All of our sail numbers or letters are Kayo Style Font as per the World Sailing Identification Rules, should you require a different Font please enquire. Select your sail numbers and letter size based on World Sailing rules section H 1.2 specification: Numbers, letters and symbols are cut from high quality self adhesive Dacron™ materials Available in any of our Insignia colours Sold Individually We hold the pattern for a range of class insignias. Please call to discuss your requirements