24-color rotatable crayons, produced in Shantou, Guangdong, are safe and high-quality. They are made from premium materials, offering a delicate and vivid color palette. These crayons are easy to apply and clean, with no sticky residue, and they are rotatable without getting dirty. Each crayon is 16.5CM long, and there are 144 crayons per piece. They are an essential sample for painting and drawing, and we welcome your purchase.