This pack contains two pairs of split pom pom makers. The large set makes 7.5cm pom poms and the medium set makes 5cm pom poms. The full small ring makes 3.5cm pom poms. With this Split Pom Pom maker from Pony you can make 3 different sized pom poms of 3.5cm, 5cm and 7.5cm diameter. Perfect for creating various projects.