Usage Tips:Knitting needles made of carbonized bamboo, mildew proof, free from rough edges, smooth surface make knitting progress comfortable and quick. SIZE: This bamboo knitting needles is 25cm/9.84inch, 36cm/14.17inch in length, and 18 different sizes 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/7mm/8mm/9mm/10.0mm for your choices. Carbonized bamboo knitting needles are light weight.Easy on your hands and quiet. They looks flimsy than aluminum needles, actually they hold the yarn much better. Light material single pointed needles offers a tension reduction and thumb rest;The advantage of single pointed bamboo needle is that it has a bead cap, which effectively prevents needle leakage. The needles set are great for a beginner as all of the most popular sizes are provided to get you started on some basic projects. And can knit sweater woollen pants, scarf scarf neck, hat and so on.