This James King Safety Triangle has high density plastic case and is sold in set of 3.Specifications•Size: 18-3/4 Inch Length X 5 Inch Width X 4-3/4 Inch Height•With Storage Case: Yes•Quantity: Set Of 3 Fluorescent Inner Triangle Warns Daytime Traffic Self-Contained Unit Needs No Power Source No Skid Rubber Feet Keep The Triangle In Place In High Wind | James King Emergency Reflector Triangle Kit