These crayola dry erase markers provide bold marking bright colours that are highly visible from anywhere in a classroom low odour means less annoying or irritating fumes especially when students use individual dry erase boards smooth writing juicy ink laydown is non squeaky and more pleasant to user r 8 washable dry erase markersr bold marking bright coloursr for ages 4 years and overr r 8 washable dry erase markers by crayola