Double-line Outline 24-color Notebook Special Gel Two-color Fluorescent Marker Pen $ 5.38 Product information: Specifications: 8 colors/12 colors/24 colors Shell Material: Plastic Refill color: outline pen 8 colors/1 set, outline pen 12 colors/1 set, outline pen 24 colors/1 set Packing list: Outline pen * 1 set Product Image: