10pcs/Set 0.5mm Magic Slowly Disappear Ink Invisible Writing Pen Refills

Price:
US$1.74

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10pcs/Set 0.5mm Magic Slowly Disappear Ink Invisible Pen Refills for School Students Writing Supplies
Features:
Imported new materials and advanced technology.
The content of the writing will gradually disappear within 5 minutes.
Used for file security, magic show and other security fields.
It is a good tool for students to practice Chinese characters.

Specification:
Material: Plastic
Length: 15.3cm/6.02"
Line Width: 0.5mm
Ink Color: Blue, Black
Including: 10 X Pen Refills+1 X Pen Rod(Random Color)+1 X Writing Posture Correction Device(Random Color)

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.

Package Content:

10 X Pen Refills
1 X Pen Rod
1 X Writing Posture Correction Device

10pcs/Set 0.5mm Magic Slowly Disappear Ink Invisible Writing Pen Refills