If you need a "big four" for your elementary school lawn, try these Black and White Number Four Yard Signs. Mix and match the "4" yard signs with other numbers, letters, and symbols (not included) to create one-of-a-kind outdoor messages. Display them on any of your school's lawns, they will really have an impact parents, students, passersby, teachers, and more. Made of a sturdy, plastic corrugated material, the Black and White Number Four Yard Signs come in 24" high x 19" wide and 36" high x 29" wide sizes; both include 15" wire stakes for easy display. The material is both water-proof and weather-resistant, so the yard signs are sturdy enough to withstand most types of weather. Use your Number Four Yard Sign(s) for game days, holiday dates, countdowns, 100th Day of School slogans, graduation, and more. NOTE: A minimal amount of assembly is required.