We call fabric pilling to the small visible balls of fiber that form on the surface of a fabric. It usually happens when there is a constant friction on it. There are a few reasons why the pilling occurs: the weave of the fabric, the type of the fiber, the friction caused by using the furniture. When the weave of the fabric is tighter, the fibers can not come out to the surface. Cotton or linen make pilling less visible because the way they shed their loose fibers. Pilling is not a fabric defect or fault from the manufacturer. It...