Project Erasable Poster Markers offer bold colors that you can erase – just in case. Ink from these markers erase thoroughly from most poster board & heavy cardstock. Mistakes can be neatly erased so you can create confidently & worry-free. These markers are perfect for school projects, presentations & more. Ergonomic grip is comfortable for children to hold. Chisel tip nibs make thick or thin lines. Specially designed eraser is made to last & won't crumble or wear down. Markers are essential for creating better school projects & posters at science fairs, art class & beyond. Set includes Erasable Poster Markers in a colorful array of red, yellow, green, blue, purple & black. Safe, nontoxic markers are recommended for children ages 6 & up.