Marking Crayon, Actuation Type Not Applicable, Casing Material Not Applicable, Dry Time Less than 30 sec, Glow-in-the-Dark Yes, Grade Scanner Compatibility Not Applicable, Hardness Soft, Pigment Color White, Pigment Material Wax, Pigment Maximum Surface Temperature 150 Degrees F, Pigment Minimum Surface Temperature -20 Degrees F, Pigment Permanence Permanent, Product Type Marking Crayon, Refill Part Number Not Applicable, Refillable Type Not Applicable, Removal Method Not Applicable