The J.J. Keller 18" x 18" Warning Flag with Vinyl Mesh and Dowel is the perfect solution for any safety need. This flag is made with double vinyl-coated mesh, a semi-rigid material that will not wind up, and is proven to guarantee reliable service. The bright red color ensures maximum visibility, making it the perfect choice for any safety situation. With its durable construction and reliable performance, this flag is sure to keep you safe and secure. FleetPride is your First Click in Heavy Duty®.