Suitable for children aged 3-10 years old Color Option: Blue Clouds (Blue) / Diasaur(MultiColor) Material: superfine fiber(With breathing valve) Applicable Gender: Neutral (male / female) Packaging: simple packaging Function: against PM2.5, anti-fog and haze, industrial anti-pollution, anti-vehicle exhaust, dust, secondhand smoke, pollen allergy, Cold Keep warm, etc 1, plastic nose piece, effectively increase the breathing space of the nose, so that breathing more comfortable and smooth; adjustable nose piece according to each person different nose shape to get fit with the face, so that the sealing effect is better 2, the adjustable size of elastic buckle, so that more comfortable to wear 3, insert the 5 layer filter PM2.5 filter 4, fine denier polypropylene fabric, with soft, warm, good moisture permeability and wicking effect, so that exhaled gas is the outer layer of cotton adsorption, the face to keep dry, comfortable, lasting effect Tips: 1, plug-in filter can not be cleaned, the proposed replacement of a week 4, children under the age of two prohibited the use of Cleaning method: 1, plug-in filter can not be cleaned ,once a week to replace the proposed 2, the proposed neutral detergent with water diluted, the filter will remove the mask into the water, hand gently rub, dry in the airy shade 3, do not long soak in the washing liquid or water, to avoid the use of bleach 4, please arrange the cleaning cycle according to the use of the general recommendations 1-2 week cleaning time