• A value set that includes a memorization pen (Blue & Orange) and a red transparent sheet.
• You can use the bold blue pen to paint the keywords in the textbooks. The keywords will be hidden under the red transparent sheet. This can help you to memorise the keywords. After you memorised the keywords, you can erase them with the Kokuyo Checkle Memorisation Eraser.
• Alternatively, you can write notes with the fine orange pen. The notes you wrote will also be hidden under a transparent red sheet.
• The bright blue ink makes the text easy to read and does not bleed easily. You can also use it as a highlighter.
• The red transparent sheet in the set has a notch, so it can conveniently stored in your notebook and textbooks. 
  
• Water-based dye ink.
• Memorisation pen size: D13× L142mm.
• Memorization sheet size: W162 x L100mm
• Core diameter:
• Bold square core (Blue): ~3.5mm
• Extra-fine core (Orange): ~0.3mm
• Made in Japan. 

Notes:

• Once you have erased the colour, you cannot colour the same place again.
  
• Depending on the types of stationery, printing or paper, the marked places may not disappear completely.