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The ink is invisible after you write with it,Turn on the purple light on the lid to illuminate the writing area so you can see the secret message

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💗【Amazing Invisible Ink Pen】Using this magical invisible ink pen to write your secret message on paper that can only be discovered by shining the

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Product Description:, Product Name:Nite writer pen, Material:Plastic, Pattern:Pen, Size:13.1X1.8cm, Color:Random, Packet Included:1pcs pen,

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