Filbert brushes are a type of paintbrush characterized by their oval-shaped bristles that taper to a point. This unique shape allows for versatility in painting, making them suitable for both broad strokes and fine details. Artists often use filbert brushes for blending and creating soft edges, particularly in oil and acrylic painting. These brushes come in various sizes, allowing artists to choose the right one for their specific needs. Filbert brushes can be made from synthetic or natural bristles, with each type offering different textures and paint-holding capacities. They are popular among painters for their ability to create a range of effects.