Features: Using 3D ergonomic face three-dimensional cutting to modify the face shape Light and breathable 2mm light and breathable, dustproof and sunscreen in all seasons, no sultry in summer, free and easy to breathe High efficiency filtration, large three-dimensional space, higher density Description: Efficient barrier smooth respirator fresh, three-dimensional, breathable and comfortable Comfortable and adjustable 3D fitting design of bridge of nose: effectively block air pollution on both sides of bridge of nose Specifications: Color:blue Type:10 pcs,50 pcs Material:non-woven Package Included: 10/50 * mask Notes: 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.