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

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