Stacker cones, vertical panels and barrels or channelizer drums are constructed from flexible polyethylene plastic and some include a rubber base or may be purchased as an optional add on.  They are used for marking the change of direction for lane closures and seperation of lanes or roads during construction or road repairs.  They are highly visible during the day and come with reflective tapes for additional night time visibility. They can also be used around parking lots, school zones or anywhere that a traffic cone or delineator post is not large enough or as specified. 

Stacker Cones
Trim line stacker cones are available with optional reflective taping. Rubber bases are 16 lbs and sold separately.
Vertical Panels
Vertical panels are a great option for traffic delineation. The panel is available in orange or white. Reflective taping and 20 lb panel bases are sold separately.
Traffic barrels are mostly used on roadways as they are highly visible. Add on a rubber tire ring for stability and barricade lights for greater visibility in dark conditions.