Crayola Staonal Crayons are a classic marking tool for a variety of projects. Sturdy and easy to use, these large crayons are double wrapped for long-lasting durability. Marking wax crayons make permanent marks on most surfaces including cardboard, paper, aluminum, wood, and more! This crayon set features a reusable box. Safe and nontoxic, ages 4 and up. Color(s): Black; Color Family: Black; Crayon Size: 5" x 0.56"; Size Group: Jumbo.