ROSENICE Knitting Needles 18 Pairs 80cm Bamboo Tube Circular Colorful Crochet Needles Knitting Set 18 pairs of the colorful tube circular bleached bamboo knitting needles in diffrenet sizes in one set will be sold together. Material: durable hard bleached bamboo and plastic. Each circular needle length: about 80cm 31.5-inch. 18 different circular needle sizes: including 2mm, 2.25mm, 2.5mm, 2.75mm, 3.0mm, 3.25mm, 3.5mm, 3.75mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 8.0mm, 9.0mm, 10mm. Nice colorful tube circular knitting needles with smooth surface for easy and comfortable to use. Metric sizes are permanently marked on needles.