Supplies Type General Writing Instrument Replaceable Refill Ink Cartridge Ink Bag Pen Ink Sac

Label:Yes Quantity: 50PC Name: Pen can replace ink bag Size: 50mm Note: blue is erasable ink, black and dark black are non-erasable ink Ink diameter: 2.6mm, 3.4mm Applicable type: General purpose Packing: OPP bag Package Includes:50pc* pen ink

Notes: 1. Due to light and other reasons, there may be differences in color. 2. Products are manual measurement, there is slightly measuring error. 3. Thank you for your kindly understanding.