Latex free:All materials used in oxygen mask and the oxygen tubing are latex free, they have no undesirable effects on the Oxygen passing through under ordinary conditions of use.
Safety material:Mask is made of medical grade PVC,soft and comfortable.
Smooth edge:soft and smooth surface without sharp edge and object,make patient comfort and reducing irritation points.
Elastic strap:adjustable elastic strap with mask,convenient to get a comfortable fit.
Nose clip:Adjustable nose clip assures comfortable fit.