TAMPA, Florida — It’s an agency that encourages you to recycle on virtually every product it produces, yet the United States Postal Service (USPS) doesn’t exactly make it easy for some customers to practice what it preaches.

The 10 News Investigators found the USPS will open, inspect, and sometimes reject packages it suspects may be shipped in recycled Priority or Express Mail packages.

Read more: 10 News Investigators: USPS recycling policies hypocritical says one big-time shipper | wtsp.com.