Extra durable labels - perfect even for outdoor use! For more durability than a normal paper label use Avery White Heavy Duty Labels Ideal for: marking your property with your contact details, labelling products or brochures for sale or display, creating warning signs or instructions Strong and durable - suitable for outdoor use Oil and dirt resistant, splash proof, tear proof and unaffected by temperature changes UV-resistant, water- and weatherproof For best printing results from your colour laser printer Easy and quick to use with FREE Avery® Wizard™ software for Microsoft® Office Working temperature from -20 to +90 degrees C (Can be used in freezers) Label Size: 63.5x33.9mm 24 labels per sheet 20 sheets per box 480 labels per box..