Cool 2 в 1 ручка с невидимыми чернилами Волшебная безопасность вращающаяся секретная шариковая ручка с УФ-светом

Title: 1PCs New Office School Supplies Metal Material Invisible Ink Pen With Uv Light Magic Secret Spy Ballpoint Wholesale

Brand New and High Quality
It writes with invisible ink made of special high-brightness ultraviolet visible compounds.
This means the ink is completely invisible under normal light!
Near the visible of light. Flip the pen over, shine the light on the spot where the ink was used and your message will be illuminated.
Length: 13cm
Color: Silver
Note: includes 3 * Button batteries

Package Includes:

1 * Invisible Ink Pen