Nuisance mask provides protection pollen, dust and other non-toxic airborne dust particulate. Compact design allows an easy fit with glasses or goggles. Adjustable metal nose bridge, single strap, and contour fit design help to ensure best coverage. Lightweight and disposable. Suitable for home or factory use for things such as gardening, farm work, mowing, and sweeping. This is not a NIOSH approved product. 50 per box. 12 per case. Sold by the box.