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As the demand for parcel service increases, problems concerning personal information are also increasing. Generally, people throw away the paper with personal information written after receiving parcel or some people leave it, where third parties use the information for crime. To solve this problem, this special coating Shipping Label is made of components including thymolphtalein, ethanol, and sodium hydroxide, and the written personal information disappears after 7~8 days. It usually takes 2~5 days for a parcel to be delivered. Information can be confirmed through Special Numbers when the parcel is delivered after 8 days.
Yong In University
Yong In, South Korea