Chalk Brights Liquid Chalk Markers are broadline markers with reversible tips for either thick or thin lines. They are water based, non-toxic, and wet erase. Clean with water to easily change up your art! Great on all non-porous surfaces. Conforms to ASTM-D4236& EN-71. Contains water, resin, and titanium dioxide (TiO2). Each pack includes 8 markers. For ages 3+. Sold as 2 packs of markers for a total of 16 markers.- Water based, non-toxic, wet erase chalk markers.- Broadline markers in 8 bright colors: white, yellow, green, purple, light blue, red, pink, and black.- Reversible broad tips: Chisel and bullet.- 8 Markers per pack, sold as 2 packs, 16 markers total.- Great on all non-porous surfaces.- Water based, non-toxic, wet erase.- Sold as 2 pieces/Bundle..