Protection against non-toxic particles; pollen, household dust, cut grass Single strap elastic head band Adjustable metal nose piece shapes easily to face Does not provide NIOSH approved protection 50 masks per box Nuisance Dust Mask is designed for airborne dust, pollen and particulates. Not intended to protect from harmful vapors, such as those found while spray painting automotive finishes. Made with an adjustable nose piece which shapes easily to face. Single strap elastic head band. For over 30 years, SAS Safety Corporation has provided safety products and equipment designed to make workplaces safer. We are dedicated to providing quality products that protect and preserve our most valuable resource: people. We offer a complete line of personal protective equipment; eye and face, hand, body, respiratory and hearing protection, as well as first-aid kits, ergonomic, spill control, and traffic safety products.