• Bulk marking crayon supply: Includes one box of 12 black professional marking crayons.
• Long-lasting wax formula: Durable black wax crayons create clear marks for shipping, packing, and industrial tasks.
• Sunlight-resistant design: Crayons are designed not to melt in sunlight during everyday work use.
• Preferred by shippers and packers: Practical for cartons, boxes, warehouse labeling, and material marking.
• Large crayon size: Each crayon measures approximately 5 x 9/16 inches for comfortable handling.
• Reliable black marks: Bold black color helps labels, codes, and identification marks stand out.

Mark boxes, cartons, and materials clearly with these black professional marking crayons. This dozen box includes 12 black wax marking crayons for shipping, packing, warehouse, and industrial use. The long-lasting wax crayons are preferred by shippers and packers and are designed not to melt in sunlight. Each crayon measures 5 x 9/16 inches, offering a durable marking tool for everyday workplace needs.