FloraCraft SmoothFoM craft foam balls are great for making a variety of floral and craft projects. Each white ball measures 3.8 inches in diameter. 1 piece per package. Make your own ornaments to add to wreaths, trees, etc. Or craft balls for display bowls. Made from Floracraft's SmoothFoM, this foam is dense, lightweight and has a smooth structure great for painting or coating with a broad range of products to create virtually any color or texture.