Chemical labels are measured in 1×3 inches,500 pieces per pack. Safety Label: such labels are often used in industrial facilities to inform workers about on-the-job dangers related to manufactured or imported chemicals. Chemical warning labels categorize dangers as health, flammability, personal protection, and instability,includes CHEMICAL ___ - OWNER ___ - DATE ___ four parts. Easy to peel and stick. QUALITY CUSTOMER SERVICE: Any question about products or orders, please feel free to contact the customer service, we will try our best to solve the problem.