Vktech Industrial Gas Chemical Anti-Dust Respirator Mask Goggles Set (Style A) Material: Mask(Soft silica gel, without glue smell), filter box(activated carbon), glass(PC) Made of healthy and clean material, without harmless Made of 4 components: Mask, filter box, respiration value and elastic ribbon Both eyeshade and respirator with elastic ribbon, making you wear comfortable Lens are made of polyurethane, impact resistance