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 United States and the United Kingdom, plan to hold protests or go on strike between Black Friday and Cyber Monday, two of the marquee shopping promotions of the year, according to organizers.

Many Americans rely on Black Friday as a day to get all—or a huge part of—their holiday shopping done, and also maybe treat themselves to something like reduced airfare to Europe. But with a Black Friday strike looming from Amazon, will that affect plans to get gifts done and get started on baking? Here’s what we know so far.