These Strato-Flare Reflective Traffic Warning Triangles warn on-coming traffic of emergency situations. These traffic warning triangles meet Safety Standard 125 and can withstand wind velocities of up to 40 m.p.h. The reflective warning triangles are easy to set up and fold down quickly for storage. Made of rugged plastic, these reflective triangles feature a cross base with non-slip pads. Each Strato-Flare Reflective Traffic Warning Triangle measures 17 1/4" x 16 1/2" x 17 1/8". Sold per set of three and includes a handy carrying case.