I received Kitchen Supreme's Natural Liquid Chalk Markers in return for my unbiased review. This is a set of 10 bright colored chalk markers. You also receive stick-on chalkboard labels with this set. This is really nice set to have at home, school, or office. The kids love writing with these markers on their chalkboard. These are great to use at home if you're teaching them the alphabet, numbers, spelling and writing. My four-year old loves to practice writing his letters and this is a mess-free way to do it. We're not wasting paper and the markers wipe away easily with a damp cloth. These markers can be used on all types of non-porous surfaces including chalkboards, whiteboards, plastic, glass and more. This is a nice set and I recommend checking them out. You can find out more about Kitchen Supreme's Natural Liquid Chalk Markers @ http://www.kitchen-supreme.com/liquidchalk.html. Also available on Amazon.