My Markers - 4 Bold White Liquid Chalk Markers - Premium Quality - 6mm Reversible Tip We grabbed the bright white bold clouds from the sky and put it into these 4 pack chalk markers for you! The uses of these markers are endless: Chalkboard Labels, Metal, Plastic, Tile, Glass, LED Boards, Black Dry Erase Boards and ALL NON-POROUS Surfaces. Ease of Use - These markers are easy to use for kids and adults. Make a mistake the first time? Wipe it away and start over, it's that simple. Cleanup is as simple as a wet paper towel. With a REVERSIBLE TIP, it makes these markers great when using the fine tip to draw the design you want, flip the tip over and use the bold end to fill in what you just created! Order now and you have a 60-day, no questions asked money back guarantee. If you aren't happy, let us know, we want to make it right.