Package Includes: 3 Face Masks and 40 pcs mask filters.
Filter size: 20*12. 8cm/ 8''x5''. Suit for all mouth mask insided with filter slot.
BREATHABLE: Our mouth mask is breathable, windproof and comfortable to wear. The dust mask is washable and reusable. We offer 40 additional filters to meet your family needs. For the best protection, we offer 3 additional face masks for you.
Efficient Filters: Ideal to protect your mouth and face from Dust, Haze, Allergies, Smoke, Pollution, Ash, Pollen, hazardous chemicals, heavy metal particles etc.
ONE SIZE FITS MOST: Great resilience and stretch ability. Soft and light. The face mask will not cause earache even if worn it all day. Elastic ear hook for easy wear and prevent fall off, suit for most people.