Silver Brush 2500S-1 Ruby Satin Short Handle Synthetic Brush, Round, Size 1 Ruby satin short handle round shape brush Made of 100 percent interlon filament The revolutionary synthetic with the control and feel of interlocked bristle, and more durable than natural hair Paint with confidence on wood, canvas, or tough fabrics like sweats, jeans or heavy cotton Also used for blending, double loading, layering and stroke work