Semi-Gloss - 3.2mil Semi-Gloss Paper is a budget-friendly solution that doesn't sacrifice quality for the economy. Semi-Gloss has a permanent adhesive that sticks well to a variety of surfaces. It is not resistant to oil or water and is recommended for indoor use only. White BOPP - 2.3mil White BOPP is made of Glossy White Biaxially Oriented Polypropylene with a permanent adhesive that sticks well to a variety of surfaces. White BOPP is oil and water-resistant but we only recommended it for indoor use. Clear BOPP - 2.3mil Clear BOPP is made of Glossy Clear Biaxially Oriented Polypropylene with a permanent adhesive that sticks well to a variety of surfaces. BOPP is oil and water-resistant but we only recommended it for indoor use. We offer white ink as a 5th color. Bright Silver Metallic - 2mil Bright Silver Metallic comes standard in a 2mil thickness. Offering excellent tear strength and opacity, these mirror-like labels are heat and chemical resistant and are suitable for application on any surface.