Oversize Warning Products - Quickmount Warning Flag Orange 18&rdquo; x 18&rdquo; Made in USA Comes with durable mesh jersey flag 18" x 18" that is replaceable. Requires Quickmount Mounting Bracket or Quickmount Stud Kit for mounting. Staff glued and screwed into receiver to insure no backing out Spring and receiver constructed of 303 stainless steel with an aluminum staff