Instrument Student Office Supplies Stationery Pen Ink Sac Replaceable Refill Ink Cartridge Ink Bag

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

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.