Crayola Crayons of regular size can be wiped off from most nonporous surfaces with warm water and a sponge. Ultra Clean Washable Crayons are specially formulated to easily wash off most surfaces, including skin, clothing, tabletops and even painted walls. If your child ventures off the paper, you can quickly clean it up with a sponge and warm water. Great for small children just learning to color and draw, these crayons are especially easy to use. They are designed to go on smoother for easier laydown, delivering bright colors and making coloring more enjoyable for young children. The pointed crayon tip makes it easier for children to write and draw with accuracy and have more control when writing numbers or letters. Crayons are nontoxic. Washes off clothing, upholstery, walls, and other surfaces. Regular size. 8 assorted colors- Black, Blue, Brown, Green, Orange, Red, Violet, Yellow. Crayon Size: 3 5/8 x 5/16″. Brilliant colors and smooth color laydown. Reformulated colors provide more intense hues and truer colors. Easy blending without smudging. Resistance to bending and breaking. Safe and certified nontoxic. AP Certified nontoxic.