[Mine Size]: 2 inches, this touch-up mini paint roller kit is the perfect paint set for any small paint job. [Lint Free]: The mini roller is lint free and provides a smooth, seamless finish. The paint-saving wool roller cover and high-density foam roller cover adopt hot-melt process, which is resistant to thinner and solvent-based paint. [Paint Trays Frames]: The roller frame is made of metal construction with high standard plastic handles, the same as the mini plastic paint trays, made of durable hard plastic that wont break or bend easily. [Smooth and smooth]: There is no obvious trace after painting, suitable for painting on smooth base surfaces. Ideal for painting smooth surfaces such as doors, trim, and cabinets. [Application]: Perfect replacement cap for paint rollers for painting trim, doors, trim, moldings, radiators, furniture and more. Ideal for covering marks, scuffs and debris on surfaces and small projects.