This epoxy kit is designed to create a strong adhesion to asphalt, concrete, or any paved surface. For use with our road reflectors. The one-quart kit is enough epoxy to adhere approximately 25 4" road reflectors and the one-gallon kit is enough to adhere approximately 150 4" road reflectors. Please note epoxy cannot be returned due to the nature of the product. This product ships within the continental US states only.