Specification: Main Material: multicolor tube + carbonized bamboo needles 5 Types (length): approx. 40cm , 60cm, 80cm, 100cm, 120cm Color: colorful, as picture shows Quantity: 18pcs (18 different size) This set is including the 18 sizes: 2.0mm/ 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/ 10mm Feature: The thickness of Knitting Needles are shown by the number. You should based on the pattern and the thickness to choose when you are sewing. Knitting Needles are commonly known as sewing pattern and sewing clothes. The edge of both sides are the sharp of the Knitting Needles. Knitting Needles can sew both the plane sewing decoration and the round decoration Package include: 18 x Knitting Needles