Global Views 8.81937 – This interesting take on wall art is made from hand blown glass with metallic granilla embedded in the glass. A hidden disk with security hardware screw is used for easy and secure installation. Each piece is handmade, so size, color, and consistency may vary slightly. Sold as a set of 4. The set includes extra-large: 8″ Dia x 5″ D, large: 5.5″ Dia x 4″ D, medium: 4.5″ Dia x 3″ D, and small: 3.5″ Dia x 2″ D.