USA Face mask and others Reusable PM2.5 Filter Anti Dust Features: • Material : cotton + nylon + PP anti-sticking cloth. • Features: Pure cotton, face protection, light, and breathable, skin-friendly, adjustable elastic band, insert 5 layers of PM2.5 filter • Filter Type: Particulate filter PM-2.5 • Package content: - 1 x Mask - 2 x Filters Sizes S 0-6 Years L Adult
