100шт 3слойная защитная накладка одноразовые маски прокладка безопасная антипылевая дышащая рот маска для лица замена колодки удобный фильтр

product features 1. use step 1 --- install the product after hand washing to avoid contamination. 2.use step 2 --- install the mask pad in a mask after removal, and double protection is more secure. make sure that the mask does not slip. 3. use step 3 --- after wearing the mask correctly, make sure the mask is close to the face. 4. it is recommended that the mask pads be replaced daily and handled properly to avoid pollution. 5.ideal to protect mouth and face from dust, haze, allergies, ...