A paint roller is a commonly used tool in painting projects to apply paint quickly and evenly on walls, ceilings, and other surfaces. It consists of a handle and a roller cover or sleeve made of various materials, such as foam, synthetic fibers, or natural fibers.

The roller cover absorbs the paint and evenly distributes it on the surface, allowing for smooth and efficient coverage. The handle provides a comfortable grip and allows the user to control the direction and pressure of the roller during application.

Paint rollers come in different sizes, with wider rollers being suitable for larger surfaces like walls, while narrower ones are ideal for trim and edges. The choice of roller cover material depends on the type of paint being used and the surface texture.

When using a paint roller, it's essential to prepare the surface properly, use the right roller cover, and apply the paint in even strokes to achieve a professional-looking finish. Paint rollers are versatile tools that make painting tasks more manageable and help save time compared to using brushes alone.