Being square does not always mean a bad thing. Bring home the abstract beauty of the Rectangles Ceramic switchplate. With the overlapping shapes and colors, your home will sure be the happening place to hang. Screws: 6-32 x 1 nylon screws provided by artist are included. Screws can be cut to length with scissors if shorter screws are necessary. Do NOT overtighten screws on ceramic switch plates.Cleaning: Clean Rectangles Ceramic light switch plates with mild soap and warm water. Do Not use abrasives.Medium: Hand-painted ceramic light switch plates.