These Kurt Adler 60-80MM Shiny and Matte Red Glass Ball Ornaments, 20-piece Set are a beautiful and classic addition to any holiday decor or Christmas tree. This box set includes 20 glass balls in a variety of sizes: 8 of 60MM, 6 of 70MM, 6 of 80MM. They are made of glass and aluminum. Item cannot be shipped to P.O. Boxes