A Rainbow of colors for the whole Class! the Colorations washable classic markers classroom Pack is perfect for drawing, sketching and writing. Bullet-tip medium sized markers with premium quality ink are fully washable and come in a sturdy storage box. (Includes 25 each of 8 standard colors: black, Blue, Brown, green, orange, red, Purple and yellow; bullet-tip, medium size nylon nib measures 1/8"DIA. ; marker measures 5-5/16 inch L x 7/16"dia. ; vented caps; non-toxic) Colorations markers are refillable with liquid watercolor! to refill: simply place marker tip in matching color of liquid watercolor overnight. Liquid watercolor will soak up through the nib and into filter. Colorations washable classic markers do not contain the following common allergens: does not contain latex does not contain dairy & casein does not contain egg does not contain gluten does not contain peanut & tree nut does not contain soy - discount school supply item # 98200.