OPTIME Custom Mask

FEATURE 
	
Comfortable, smooth texture, with two portions of very thick fiber polyester textile and an included long-lasting filter.
	
They adjust very easily by tying at the back with a single strap.
	
They have double stitching that reinforces quality and durability.
	
It has the versatility to put the mask in the shape of a collar while you do not need to use it and do not cause any discomfort.