CHALK MARKERS, Best 8 Pack Set of Bold Vibrant Colors by SillySticks, Erasable from Glass, Plastic, Mirrors, Metal, Whiteboards, Chalkboards, Perfect for Teachers, Kids and Moms, Nontoxic and Odorless, Enhance Your Arts and Crafts Projects Now! SillySticks chalk markers are the best and most fun way to write on non-porous surfaces. SillySticks unique liquid formulation allows them to write smoothly and easily like a marker on glass, plastic, mirrors, windows, whitebaords, bistro boards, metal, chalkboard stickers, chalkboard contact paper, and other non-porous surfaces (**PLEASE see disclaimer below for use on Chalkboard Paint) Includes an 8 Pack set of bold bright vibrant colors. Offices, makes your projects stand out. Businesses, use SillySticks on your bistro boards, menu boards, windows, mirrors, etc. Teachers love using SillySticks in their school classroom. No more messy chalk on those chalkboards or blackboards. Arts and crafts time with their kids becomes engaging and fun. Since SillySticks are easily erasable off non-porous surfaces, cleanup is a breeze. Moms love SillySticks because they are non-toxic and odorless, they remove easily with water or ammonia-based cleaner, and provide hours of fun for kids over 3. WHAT CUSTOMERS ARE SAYING: "I love these markers...the colors of these SillySticks are so vibrant!" "As a teacher, my students love these!" "I liked them so much that I ordered another set so I would have a backup!" See why customers are raving about SillySticks Liquid Chalk Markers!