1. made of PP 2. green, blue, pink, white 3. size: 17.5x9.5cm 4. type: elastic earloops or ties 5. anti-dust and bacteri non woven face mask is made of spunbonded non woven fabric and meltblown non woven fabricIt can be used in hosipital, or industrial eara.It can protect face from the dust, water and bacteria. advantage: light weight, breathable, anti-dust, bacteriawe can offer differnt weight ...