Crafted from hygienic, lightweight and sturdy polypropylene, this A-board is designed for swift deployment and works to inform readers in a quick, concise manner. Learn more... • A-board featuring a highly noticeable hazard exclamation graphic • States “caution work in progress” • Crafted from lightweight yet robust polypropylene • Easy to clean when necessary • Caution signs are designed to notify readers of a potentially hazardous situation that could result in minor injury if not avoided