This high visibility cone has 4" and 6" reflective collars made from tough, durable, and flexible UV stabilized polyester sheeting. Three times brighter than previous cone collars and complies with FHA requirements. The cone is constructed of brilliant fluorescent orange vinyl. Non-porous, dirt-resistant surface can be easily cleaned. Will not mar floors. Virtually indestructible. Will collapse under pressure then spring back into shape. Easy stacking. Can be used for lane markers, crowd control, obstacle courses, boundary markers, marking danger areas, repair areas and driver training.