Pit Filter - Made in Japan, Certified by Kaken PFE0.1 Test, High-Performance Filter Sheet for Masks, 6 Sheets Made in Japan Material: Polypropylene Size: 13cm x 60cm Certified by Japan Kaken PFE0.1 test to cut 99% of the intrusion of droplet viruses, PM2.5, pollen, dust, etc. Washable and reusable ----------------------------------------------- We have many other various products available, so #Miyako's Product List ← Tap to take a look ♡ #Miyako's Health and Beauty Goods are here ♡ * Immediate purchase welcome * Bulk purchase welcome, feel free to comment * Free shipping! ・Please understand that the items are stored at home and will be shipped in simple packaging. There may be cases where we ship the item out of its box. Please understand. ・Please check the actual photos for the condition of the product. ----------------------------------------------- 19-1.7-5-3