White Direct Print Fan Fold Thermal Labels measure 4" X 4" and have 3000 labels per stack with 2 stacks in a carton. It is made from a Fasson Direct-Therm 300LD facestock. Fasson Direct-Therm 300LD is a smooth, non-topcoated bright white paper with a high sensitivity thermal coating. It is intended for use in dry applications. Exposure to contaminants such as water, oil, alcohol and other liquids can affect the thermal layer. This product is suitable for use in a wide variety of direct thermal label printers, especially those typically used in industrial applications. These labels use a general purpose permanent emulsion acrylic adhesive designed for excellent adhesion to corrugated cardboard and superior adhesion to plastics. This adhesive meets the requirements of FDA CFR 175.105 for indirect food contact.