Japan's top ten popular brands, Japan's National Mask Industry Association JHPIA certified Japanese medical-grade three-layer masks are extremely cost-effective, safe and reliable, and the water-absorbent inner layer prevents saliva/moisture accumulation. The wide towel ear straps make it comfortable and painless to wear all day long. The skin-friendly material is not prone to lint. , breathing smoothly BFE, PFE, VFE ≥ 99% Product specifications: Size: 12 x 8.5 cm Color: white Packaging specifications: 30 pieces/box Applicable objects: children and toddlers