China Disposable Face Mask factory Disposable masks for children Disposable 3-layer mask, 3-layer, 50 pieces, blue, white. Pack of 50: a large number of disposable masks 3-layer design: prevent allergens, pollen and large water droplets in the air Safe fit: close to the face to prevent movement when moving Storage: Store in a dry and ventilated place 23F-122F (-5C-50C, relative humidity <80%). Non-wearing: comfortable designChina Disposable Face Mask factory website:http://www.shengnuo-medical.com/face-mask/disposable-face-mask/