Solvent resistant mini roller medium pile 4 Inches wide. 2 Pack of mini roller refills with 13mm medium pile height. Ideal for smooth to semi rough floors and walls, with oil based paints, industrial paints, lacquer paints, synthetic resins, varnish, anti-rust and liquid plastics. The Thermo-fusion process bonds the fabric to the inner plastic core with heat, this ensures the fabric stays firm. Compatible with all Standard Mini Roller Handles, available on this web site.