Ink: Oil based permanent ink
Color: 12 basic colors
Point size: 3.0mm
Nib: Imported material
Paint: Environmental protection
The authentication: SGS, RoHS, ASTM, D-4236, EN71-3
Function: can be used on any surfaces.
Packing: 12pcs/box, 144pcs/inner box, 1152pcs/carton