Customers can print postage on envelopes, regular paper or adhesive labels. Insulated mailing envelopes are sometimes used. The plastic in these envelopes creates problems in paper recycling. Paper money was bestowed as gifts to government officials in special paper envelopes. The design was printed on labels that were affixed to the envelopes. Other activities include lighting firecrackers and giving money in red paper envelopes. Processing of standard sized envelopes and cards is highly automated, including reading of handwritten addresses. At first, the company mailed promotions in standard #10 business envelopes. They are enveloped and contain three large glycoproteins in their envelopes. There are dozens of sizes of envelopes available in the United States. Other payment functions including red envelopes and transfers were still free. A small array of hardware volume envelopes are available. PwC was responsible for tabulating the results, preparing the envelopes, and handing them to presenters. Children are given money in colourful envelopes. Inside each of the envelopes was the logo of a non-playoff team.