Swag bags are promotional gift bags filled with various items, often given away at events, conferences, or trade shows. They typically contain branded merchandise, such as pens, notepads, stickers, or small gadgets, designed to promote a company or product. Swag bags serve as a way to create a positive impression and encourage brand recognition among attendees. These bags can vary in size and content, depending on the event and budget. Some swag bags may include samples of products, discount coupons, or informational brochures about a company or service. Overall, swag bags are a popular marketing tool used to engage potential customers and enhance their experience at events.