기능

• Use this product to prevent dust, pollen and yellow sand from entering, protect your throat and prevent colds.
• Prevents intrusion of dust, pollen, etc., and prevents colds.
• Uses a high-performance filter to shut out fine dust and pollen.
• The 3-layer pleated type covers your chin firmly.
• It is made of urethane rubber that does not burden the ears even when used for a long time.