Prang Colored Pencils are pre-sharpened, real wood pencils that are ideal for using on sanded shrink film plastics. They are also great for using for general crafts. This package contains twenty four brightly colored, blendable 3.3mm colored pencils. This set includes two metallic (gold & silver) pencils which are great for sanded black shrink plastic. All the pencils are able to be sharpened with a standard pencil sharpener (not included). Non Toxic.