Heavy Duty Marking Shape, Corner Marker Visual floor marking tools make work areas safer by identifying different locations, providing safety warnings and precautions, and communicating proper work habits. • Each shape includes 25 per pack • 50 mil thick for long-term application & use • Designed to withstand industrial traffic • Rubber based pressure sensitive adhesive • Service temp range -10°F to 150°F • Application temp range 40°F to 150°F