Stylish useful 8Pcs 4 Sizes Essential Fluff Ball Weaver Needle Craft Knitting Tool DIY Set A wonderful gift for your friends or yourself. You can create interesting works inCDinitely. The more you use it, the more you like it. Material: plastic. Color: Multi.  Diameter: about 1.4 ", 2.1", 2.75 ", 3.54" / 3.5 cm, 5.5 cm and 7 cm, 9 cm (size 4).