ProSolve Hard Road Marking Crayons are non-toxic, hardwearing, and waterproof, making them ideal for exterior use. Suitable for marking on asphalt, concrete, stone pavements, and road surfaces, these crayons come in a convenient pack of 12.

Key Features:

• Non-toxic and safe to use
• Hardwearing and waterproof for durability
• Ideal for asphalt, concrete, stone pavements, and road surfaces
• Pack of 12 white crayons
• Suitable for exterior use