Each kit contains three HD triangles packaged in a red storage box. Durable fluorescent orange plastic with red reflectors are visible day or night. Snaps together for fast and easy set up. Heavy weighted sand filled base provides stability even in windy conditions. Friction pads on base keeps triangle in place on highway. Meets all applicable FMVSS 125 and SAE/DOT specifications. Instructions for proper use molded in the cover and on all triangles.