Dixon Ticonderoga Lumber Crayons, 1/2 In X 4 3/4 In, Carbon Black

Fade-proof, water-proof, smear-proof, these crayons won't melt in direct sunlight. They will work on wet (green) lumber or dry wood, metal, concrete and most other surfaces. Graphite lumber crayons measure 4-1/2 x 1/2 inches Crayons last up to 10 times longer than ordinary molded wax crayons Fade-proof, water-proof and smear-proof Box of 12 crayons - PMA Certified Non-toxic