Product Name: disposable non-woven masks three blue (with nose strip, 50 foot box number) Material: 3-layer non-woven Size: 9.5 * 17.5CM 3 layer structure and composition of [performance] of the product by the Thin bonding nonwovens by cutting, sewing or heat sealing, folding together. This product is sterilized by ethylene oxide, sterile products, sterile valid for two years. [Model Specification] 17.5 × 9.5cm; earhook [Packing] 10/6000 packets / box, 1/3000 packets / box [product scope of application of the product is mainly used for protection of medical units to use, but with in the electronics industry, a variety of uses catering services, food processing, school, riding a motorcycle, hand processing industry, cosmetic, pharmaceutical, plant, clean environment, public places, etc.; also suitable for construction, quarry, textile, grinding, metal casting , generated when the pharmaceutical, electronics, pharmaceutical, material handling and grinding operations such as dust protection and other industries.