Amazon workers in 20 countries, including the United States and the United Kingdom, are planning to strike or protest on Black Friday and Cyber Monday as part of “Make Amazon Pay” demonstrations. The demonstrations are a way for employees to protest poor working conditions.

Amazon workers in more than 20 countries will strike and protest starting Friday through Monday in actions organized by the Swiss-based UNI Global Union.

Amazon workers in more than 20 countries including the U.S. plan to strike and hold protests between Black Friday, November 29, and Cyber Monday, which falls on December 2, according to the activists organizing the labor action.