This 3 pack of crayons includes a red, green & blue crayon that are non-toxic, BPA free, latex free and conform to ASTM D-4236 standards. Recommended for ages 3+. They come packed in a clear cello bag that can be imprinted with your company name and logo using a full color decal. Complies with ASTM. 1" W x 2 5/8" L