Product Description Model: WCB5411 Specification Roller Cover Material:Polyester foam Roller Size:100 mm (4 inches) Center Brush Handle Diameter:5.3 mm Set Includes: 7x 12 mm Polyester Foam Roller Covers 3x Polyester Foam Roller Covers (thickness not specified) 1x Roller Frame Features: Smooth Finish:Polyester foam roller covers provide a smooth and even paint application, especially on interior walls and smooth surfaces. Multiple Roller Covers:The set includes a total of 10 roller covers for multiple uses or larger projects. Complete Set:Comes with a roller frame for immediate use. Versatile Application:Suitable for various types of paint and finishes on interior walls and smooth surfaces.