Secret Message Set and more Popular Gift Ideas at Perpetual Kid. The invisible ink contains special high brightness ultraviolet viewable compounds. The ink is c
100% Customer Satisfaction! If you are not completely satisfied, you may return this item within 60 days of purchase. See our Return Policy for details.
Not suitable for children under 3 years of age.
Invisible ink is non toxic but permanent.
Measures: 5.75"L x .25"W x .25"H
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