1,000 flags per case. MINIMUM ORDER OF 1,000 FLAGS. ADDITIONAL QUANTITIES MUST BE PURCHASED IN INCREMENTS OF 1,000. This 1-color custom marking flag will allow your company to stake its claim during the next promotional campaign! Available in several colors, this eye-catching product is made of vinyl and features an 18" fiberglass staff. It is perfect for clearly marking utility lines, lawns, buried cables, invisible dog fences, construction sites, caution areas, property lines and so much more!