A party bag is a small bag of surprises given to guests as a token of appreciation for attending an event. While the term "party bag" is commonly used, there are a variety of other synonyms that can be used to describe this fun element of a celebration. Some popular alternatives include loot bags, goody bags, treat bags, gift bags, and favor bags. Each of these terms emphasizes the treats and trinkets that are usually included in these bags, ranging from candy and toys to more personalized items like custom pens and photo booth mementos. Whatever you call it, a party bag is a sweet way to leave a lasting impression on guests of all ages.