Easy to erect, single triangle flare unfolds from a weighted blow-molded tube that serves as a base and is equipped with non-slip foam pads. Acrylic plastic strip reflectors sealed from dust and moisture, unfolds to a triangle shape and are held firmly in place with a sturdy locking device. Interior strips of fluorescent plastic provide effective warning for daytime use. Living hinge closure on one piece plastic box ensures that the lid won t separate from the box. Ensures compliance of 40 MPH wind test.