Do it Flat Synthetic Polyolefin Paint Brush, 1 in. features synthetic polyolefin filament bristles that are square trimmed with a processed tip for precise application. The brush is designed with a yellow plastic handle for comfortable grip and ease of use. It is i for use with polybag and adhesives but is not for One Coat paints, ensuring results with compatible materials. This brush combines durability and functionality, making it a reliable choice for your painting and adhesive projects.