Three styles are available: 1. Pleated style: Adjustable elastic ear loops fit your face shape, comfortable from sun and dust (size: 7.9"x5.5"). 2. Pleated style with filter and nose wire: three-dimensional fit prevents eyes from fogging, and a small opening at the bottom can place a filter - in order to improve overall beauty and comfort, the opening is small and can be folded to place the filter (size: 7.9"x5.5").3.Normal style, slightly larger size, more coverage of the face（size: 9.6"x5.5").