Weatherproof plastic barricade banners have been added to the line of traffic and safety products from J.L. Geisler Corp. of Warren, Mich. Standard styles include: CAUTION, DANGER, POLICE LINE: DO NOT CROSS and FIRE LINE: DO NOT CROSS. Standard sizes available are 3-in. and 6-in. by 1,000-ft rolls. Custom banners also are available in 3-in. and 6-in. by 1,000-ft rolls