Premium Quality Made With Fresh Material With Perforation For Easy Tear Strong Adhesive 400 Labels Each Roll 3X5 Inch Size. Self-Adhesive Direct Thermal Labels Are A Type Of Labeling Material Commonly Used In Various Industries For Printing Purposes. These Labels Are Designed With A Special Coating That Reacts To Heat, Eliminating The Need For Ink, Toner, Or Ribbons During Printing.