Triangle reflector kit meets and exceeds all DOT standards and requirements of FMVSS 125. Ideal to keep in your vehicle in case of breakdown. The unique one-piece living hinge box allows for thousands of openings and closings and eliminates all hinge problems that the industry has faced for years. Includes 3 triangles. 17 1/4" W x 16 1/2" H x 17 1/8" L.