Polka dots are a pattern consisting of evenly spaced, round dots that can vary in size. They are often found on fabrics, wallpapers, and various decorative items. The dots can be of different colors, but the classic combination is a white dot on a solid background, such as black or red. This pattern has been popular in fashion and design since the late 19th century. It is commonly associated with vintage styles and is frequently used in clothing, such as dresses and accessories. Polka dots can evoke a playful and cheerful aesthetic, making them a favorite choice for many.