Round Anti Pollution Face Cover Mouth Filter Accessories-Face Cover Valves.16pcs

 
Outer Diameter: 37mm/1.46" (Approx.)/ Inner Diameter: 25mm/0.98" (Approx.)
 
 
Item Weight     1.41 ounces
 
 
package            5 x 3.5 x 1.4 inches    
Dimensions  
 
Color                  Black round 16pcs
 
 
Material           Plastic