Envelope X-Ray Spray

Envelope X-Ray Spray

$16  Buy Hat Tip

14 Stars
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A can of spray-on non-flammable liquid that temporarily renders paper translucent, letting you see what’s underneath. The effect lasts up to 30 seconds and leaves no mark. Video demo here.

Envelope X-Ray Spraypop out

Envelope X-Ray Spraypop out

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