High Quality Materials: Our Sewing Machine Needles Are Made Of Strong Alloy, Not Easy To Rust, Not Easy To Bend, Strong And Durable. It can effectively prevent the binding thread from breaking and reduce fabric wrinkles. . Size: Universal sewing machine needles come in 5 colors and 5 sizes. The sizes are 65/9, 75/11, 90/14, 100/16, 110/18, each with 6 pieces, suitable for various household sewing machines. . Size Recommendations: Size 9 flathead needles are suitable for thin fabrics, such as chiffon, size 11 is suitable for medium and thin fabrics, such as shirts, size 14 is suitable for fabrics heavy, such as sheets, curtains and sizes 16 and 18 are suitable for heavy fabrics, such as denim fabric. . Scope of Application: This universal sewing machine needle is suitable for most household sewing machines, such as Singer, Brother, Janome, White, Elna. .