Our needles are welcomed by overseas friends. material is metal,so it's very durablity. The product is made of high carbon steel and stainless steel. Good material, high strength, wear-resistant, non-bending is not brittle!1 Material: carbon steel, stainless steel2 Color: Nickel-plated, color3 Diameter: 0.5mm-3mm4 Length: 5mm-120mm5 Category: Textile needle, needle, tapered needle, dart needle, ...