Birthday decorations are items used to enhance the festive atmosphere of a birthday celebration. Common decorations include balloons, streamers, and banners, which can be customized to match the theme of the party. These decorations are often colorful and can be found in various shapes and sizes, adding excitement to the event. In addition to traditional items, many people also use table centerpieces, party hats, and confetti to create a lively environment. Some choose specific themes, such as cartoon characters or color schemes, to make the celebration more personal and memorable for the birthday person and their guests.