DECORA 4pcs Pompom Makers Fluff Weavers DIY Knitting Craft Tool Kit in 4 Different Sizes Material: Plastic Sizes: 3.5cm, 4.5cm, 6.5cm, and 8.5cm. Great for various project and size needs in designing and making fluff balls. All you need are yarn, string and scissors to complete your pom-pom and fluff balls. Can creat interesting works of infinite.