Material Type: Abs Resin, Polypropylene And Stainless Steel. Set includes the following diameter sizes in the set: 38mm,48mm,68mm,88mm For multi colored pom-pom use the measuring scale to wind yarn colors evenly around arches. Wind the wool around the plastic maker evenly, pull tight at the middle to secure and chop away the frills, It is Easy to use with the help of instruction. Good for weave the fluff balls, save more time and energy. Everyone can make beautiful pompoms easily and create more interesting projects.