Fluorescan crayons are scannable and can be used with UV scanning equipment. These vibrant crayons come in three bright fluorescent colors. Choose from Red, Orange or Blue. Fluorescan Crayons measure 5" x 11/16" which is oversized to provide the user with an easy grip. Fluorescan Crayons are packed 12 sticks per box. Made in the U.S.A. Availability: Usually ships the same business day Dixon Fluorescan Fluorescent Marking Crayons 1300$8.65, 12/$91.80Color: 13001A Red13003 Orange13006 Blue Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.