4-layer non-woven fabric used, cutting 99% of pollen and virus droplets. Special spatial design, 3D立体構造 (three-dimensional) mask. [30 pieces] For adults. Individually packaged for hygiene and portability. The color is a soft, シャロングレー (shallow gray) that doesn't stand out from the face. Thin color finish. - Type: 4-layer non-woven fabric mask - Filter performance: 99% cut - Size: 205mm x 81mm - Quantity: 30 pieces - Structure: 3D立体構造 (three-dimensional) Thank you for viewing. Will ship after taking out of the box. The box will be folded and included.