Celine lin 18 sizes 16inch"(40cm) Colorful Crochet Needles Circular Carbonized Bamboo Knitting Needles (2mm-10mm) Material:Carbonized Bamboo 18 different sizes: including 2.0mm,2.25mm,2.5mm,2.75mm,3mm,3.25mm,3.5mm,3.75mm,4mm,4.5mm,5mm,5.5mm,6mm,6.5mm,7mm,8mm,9mm,10mm. Quantity:18picks(1 needle of each size) Needle length: 3.55"(9cm)*2 Tube length: 8.9"(22cm) Total:16"(40cm) Strong, lightweight, and durable.Premium bamboo is uniquely warm to the touch, reduce hand fatigue,adding to a productive and relaxing experience.Nice round sharp needle point,highly polished, smooth surface, no barb.