Comfortable to wear for a long time; No ear swelling and pain.
Blocks droplets, Three-layer filter with elastic ear straps;
The outer Layer is non-woven fabric, 100% polypropylene
The middle layer is ultra-fine melt-blown material filter layer
The inner Layer is general sanitary gauze or non-woven cloth
Size: 5.5 X 3.5 inches
Age: 3~8 years old
Per Box : 50 pieces
Cut hole to fit the air hose if need.