Type General Student Office Supplies Replaceable Refill Pen Ink Sac Ink Cartridge Ink Bag

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