| Envelope X-Ray Spray turns paper temporarily opaque, allowing the user to view the contents of an envelope without ever opening it. 30 seconds after the application, the envelop will return to its original state, leaving absolutely no markings, discoloration; or other indications of use. Each can treat several hundred square inches. Non-flammable, non-conductive, and non-photochemical reactive. Environmentally-friendly (contains no Freon). Size 6 1/4” X 2”. Net weight: 5 oz Not shippable by Air. |
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