Multipurpose for classifying and labelling chemicals, safety signs, arc flash, tanks, and marine and outdoor workplaces. Holds up in harsh conditions. Strong marine-grade adhesive passed the protocol for 90-day seawater immersion. Customize templates using Avery Design and Print Online. Laser compatible. 4-3/4" x 7-3/4". White. 100 labels. 50 sheets per package.