This 6 foot bench with back is made of 2 3/8 inch O.D. galvanized tube with 1 1/16 inch cross brace and portable leg style for convenience. The seat and back is made of 2x4 pressure treated Southern Yellow Pine slats. These benches are perfect for indoor or outdoor use and can be used on the field or in the stadium. Our commercial grade player's benches are used in athletic centers, parks, schools, and stadiums.