Don't stand roller on end or lay it on its nap. Dry thoroughly before storing in dust free cabinets or boxes. Still prefered by painting contractors for its dense pile, easy loading and release, and durability. The finest shearling lambskin is trimmed and vacuumed to the right length, stitched and glued to the core. Polyester - The most popular of the cover fabrics, polyester is available in many different grades varying on the amount of fibers per square inch and weave.
Good covers have a full plush pile that springs back to shape after being crushed.
Test quality for loose fibers by wrapping with a short length of scotch tape and removing. Pylam - A dense synthetic fabric which duplicates many of the properties of lambswool. Dralon - an acrylic fiber blend for lint free application of enamels, varnishes, and other fine finishes. High density plush fabric praised for its ultra-smooth release and low spatter. Used for short nap cover for non-bubbling applicating.