PriyoShop has brought to you the Viral Shield Knit Olson Head Mask - HH002. The Olson is designed with the seam running down the centre of the mask from the nose to the chin area and two elastic straps around the head. The straps fasten on the side of the mask with hooks which are detachable for ease of putting on and taking off the mask. The elastic straps can be adjusted using the slide and ring and pulling the strap to make it tighter or looser to fit each individual user’s face and head dimensions. Buy it at the best price.