Unless specifically stated otherwise in the item description, all of our pillow covers are made from home decor drapery or upholstery fabrics that are dry clean or spot clean only. Many home decor fabrics have a stain repellent and soil resistant finish applied, and machine washing such items may harm that finish, cause shrinkage and/or fade the colors. Also, fabrics such as velvets and embroidered designs should always be dry cleaned to preserve their texture.  Generally, unless you have heavily soiled the pillow cover, it is not necessary to dry clean frequently, as this will wear out the fabric prematurely. Under normal use, the best care is to regularly vacuum the pillow cover to remove dust or pet hair, and spot clean or dry clean only when heavily soiled.