50ml Refill Ink For Refilling Inks Whiteboard Marker Pen Black Red Blue 3 Colors Features: Suitable for all the whiteboard marker pens that can be filled with the ink. Ink with bright color, Instantly dry and do not fade, writing smoothly. Ink is , enviromental for protection. Do not use on fabric-. Store in a cool and dry place, sealed and preserved. Specifications: Type: Marker Pen Ink Color: Blue, Black, Red Capacity: Approx. 50ml Size: Approx. 4.6x7.8cm/1.81x3.07in Package Includes: 1 Piece Marker Pen Ink note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!