Vintage Framed Hanging Slate Chalkboard Sign (15"x10") - Decorative Hanging Chalk Board for Rustic Wedding Signs, Kitchen Pantry & Wall Decor <span class="a-text-bold">SOAK -</span>Soak the surface with a small amount of water for a minute. <span class="a-text-bold">WIPE -</span>Wipe the surface with a clean and damp piece of cloth or tissue.