Premium quality microfiber and polyester mixed fabric, thermo-fused roller sleeve. Medium pile 12mm paint roller, this roller is ideal for semi smooth surface painting with both oil and water based paints and treatments such as emulsions, undercoats, gloss, eggshells, primers, sealers, wood stains and varnishes. Microfiber fabric is blended with woven polyester creating Micro-Poly this fabric has an improved paint releasing performance, harder wearing and has better pile recovery than pure microfiber fabric. Micro-Poly is a highly absorbent fabric giving it much greater paint pick up combined with excellent and even paint release. The Thermo-fusion process heat bonds the Micro-Poly fabric to the inner plastic core, this ensures the fabric does detach from the core. This roller is compatible with 12" wide double arm frames, available on this site.