You can ink into the hollow lines in the mold easily because of the tip of it is brush. It is available to ink on painted suraface by GUNDAM MARKER, GUNDAM COLOR, Mr,COLOR or AQUEOUS COLOR because it is water based paint. And you can remove the excess paintt by using swab or rubber eraser. Item No: GM21 (Gray) 100% Authentic GSI Creos Product
Returns Accepted for this item if it's within 30 Days