This is an iron-on, permanent sheet for the back of fabric. Iron for about 20 seconds (depending on fabric type). Not for use on textured fabrics that cannot be ironed. Brother-ScanNCut Iron On Sheet. This is an iron-on, permanent sheet for the back of fabric. Iron for about 20 seconds (depending on fabric type). Not for use on textured fabrics that cannot be ironed. For use with the Brother ScanNCut machine (sold separately). This package contains one 36x18-1/2 inch iron-on sheet. Imported.