4 sealed pck of 5 in box [ Disposable Face Masks ], High level breathing protection, filter efficiency, breathable mesh composite fabric, suitable for all seasons (basically seasonal factors do not need to be considered). 3D earrings and lightweight design make breathing easier. High quality elastic ear bands make it comfortable to wear for a long time. Non-Medical Mask, Pack of 20 Pcs. See picture for material. Have 20+ boxes for sell stock up in bundle & save 15% 3 or more items.