It catches hair and dust with the power of electret. The fit band eliminates gaps with the face, preventing hair from getting in. Soft fabric is used that leaves less marks on the forehead. The ceiling is mesh, providing excellent breathability. Ideal for working in clean areas. Size is LL. Due to packaging materials, it will be shipped in the condition shown in the photos. Shipping is planned via Takkyubin Compact. The listed price has been significantly reduced, so please refrain from negotiating a discount.