You will get 5 Masks in each box (total price €18 for 5 masks). Each mask is single use only. Each of our Masks are made from non woven fabric, needle punched cotton, iron powder, water & activated Carbon. The heating process works by a thin layer of iron filings with the oxygen molecules in the air. It is totally safe. The ever so relaxing scent of Jasmine is in a low concentration. So you can enjoy its fragrance without irritating the skin.