Features:1.Quality and safety: non-woven skin-friendly and environmental protection, three layers of breathable sponge layer, skin-friendly non-woven fabric is comfortable Electrostatic meltblown cloth, electrostatic meltblown is a filter material for fine particles.2.Moisture exhaust and ventilation: The large-caliber lower open one-way breathing valve blocks the smog and effectively exhausts hot and humid air.3.Humanized design: creative design at the bridge of the nose, high elastic wide flat belt, equipped with breathing valve, and choose comfortable and skin-friendly materials. Description:1.It has multi-layer filtration system with a high safety index. Six layers of protection and good air permeability, relax breathing and prevent pollution. Specifications:Material: Non-wovenColor:WhiteStyle: Hanging earProtection level: FFP3 (filter effect> 99%) Package Included:1 * MaskNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.