The swirls form the shape of a heart. The phrase “Teaching is a work of heart” is within the heart. This design is perfect for teacher gifts! This design is perfect for wood signs, garden flags, placemats and other house deco! This design can be used on pillows, shirts, glass blocks, tiles, glass cutting boards, mason jars, floating frames, scrapbooking or any other craft medium. For use on many vinyl projects and even paper projects!