Great Design Top Quality Product Selling Online for Over 20 years OFFICIALLY LICENSED - This Greekgear product is officially licensed. This means your group has approved this product and design. We give a portion of the sales back to the organization. Largest Greek Retailer Online Delta Chi Greek Letter Window Sticker Decal. These Delta Chi fraternity stickers measure Approx 2" tall Greek Letter Sticker. Goes on outside of glass for easy application.