This Stanley polyester roller sleeve has a short pile that is ideal for emulsion and water-based paints. It gives good performance, with great pick-up and coverage and an even finish. The roller sleeve is made from polyester fabric and is suitable for smooth surfaces. Specifications:Size: 230mm (9in).Pile Height: 6mm.Diameter: 38mm (1.1/2in).Additional Information:• Roller Type: Short Pile Sleeve• Size (in): 9• Diameter (in): 1.1/2