1、Durable Aluminium: These circular knitting needles are made of lightweight aluminum, oxidation treatment, rust resistant and durable. 2、Ergonomic Design: These circular needles feature ergonomic desigh that reduces hand fatigue and ensures comfortable operation. 3、Easy Operation: These circular knitting needles feature glossy surface. They come with different sizes and are clearly engraved on the knitting needle surface so that you can easily distinguish their sizes. 4、18 Pieces: 18 pieces of circular knitting needles in 9 sizes are included in the package, good helper for knitting sweaters and scarves. 5、Perfect Gift: This circular knitting needles set with ergonomic design is perfect gift for beginners and family.