IN STOCK SHIPS NEXT DAY! Pick up at A&H Metals Same Business Day Starting 6/11/20. While supplies last!! Quantity - Order in Packs of 201. 3 layers of protection: non-woven outer layer + filter paper layer + skin friendly non-woven inner layer. Breathable and comfortable, low breathing resistance.2. The plastic strip of bridge of nose hides the side of bridge of nose. More suitable for all face types.3. High elastic flat ear straps: will not strain the ears.4. Inner layer: skin friendly non-woven fabric; soft and comfortable to reduce the possibility of skin allergies.5. Physical ultrasonic welding, densification of welding points, strong and durable, fine workmanship.6. Non-Medical Personal Use onlySorry no returnsCountry Origin: China