For general purpose respiratory protection, use this everyday nuisance dust blue mask. It's perfect for keeping out non-toxic nuisance dust during mowing, gardening, sweeping, and dusting. Each mask features an elastic strap and an adjustable aluminum nose piece for excellent comfort during wear. The strap helps keep the mask in place as you work so you can focus on the job at hand and not worry about losing your mask in the process. Product Name : Disposable protective Face Mask; Material: Non-woven Fabric Elastic ear straps easy to be self-tied Soft and comfortable to wear, protecting mouth or nose against dust and bad smell. Excellent for general protective purpose, food, beauty salon, etc.