Annic 8x Premium Liquid Chalk Markers with Reversible Tips for All Decorating Purposes- Great on White Chalkboards, Glass, Plastic, Ceramics, Windows, Labels and More Comes with 8 window markers in Pink purple white orangegreenblue, Yellow, red. All these colors are great bright and vibrant. Made of premium PP material and eco-friendly ink, which will last for a long time. Designed to be used on smooth and Non-porous surfaces These liquid chalk makers will be great for holiday decorations, writing notes on windows, glass, plastic, car windows, chalkboards and would be stunning for business displays and more. They are very easy to use. Three simple steps is OK. When the first time you use it, place marker tip up vertically. Then press tip slightly to release pressure. Secondly, shake well with cap on and up-right remove cap. Finally , press tip for a few seconds until tip fills with ink, there you have a colored marker ready to go. Recap tightly after use and store in horizontal position The reversible tips allows you to enjoy creating holiday decorations endlessly. They make it easy to do fine lines as well as bright and bold ones too and they are easy to be wiped off. Simply use a damp cloth to wipe the chalk off