Unlike all other air erasable marking pens - this new pin-point tip marker produces a very fine - thin line. The Fine Line marking pen makes a bright purple mark - yet the marks will vanish without washing. Item Number: C328 Barcode Number: 033262103288 Instructions: Be sure to test The Fine Line air erasable marking pen on a spare piece of fabric before using - making sure the marks remove to your satisfaction. Do not iron over marks as it will set the marks and they cannot be removed. The Fine Line air erasable marking pen should not be used as a writing instrument for signing checks or legal documentation, as signatures will fade or disappear completely.