A bag of 100 aluminum self adhesive nose bars that will help to customize your face mask for a perfect fit. Remove the release paper and stick onto the fabric side of your mask for a one-time fix that will prevent fogging of your glasses. Alternatively, you can also sew a channel into your mask and insert the nose bar to make it permanent through washings. Do not iron over the nose bar. 3.5 inches in length and approximately .25 inches wide.