I don't remember when I bought it, but I used it once or twice a few years ago and it's been sitting in a desk drawer ever since. I'm selling it because I don't think I'll use it. It has been stored for a long time. Thank you for your understanding. GANGY - Brand: GANGY - Model Number: NO.800 - Application: For ballpoint pens - Liquid Color: White liquid and blue liquid - Contents: 2 ink bottles