Item Type: Sewing Machine NeedlesMaterial: Chromium Plated Steel, PlasticHAX1 65/9: Suitable for Thin Fabrics, (e.g. Thin Silk or Cloth, Etc.). HAX1 75/11: Suitable for Medium and Thin Fabrics (e.g. Shirt Fabrics).HAX1 90/14: Suitable for Medium Thick Material(e.g. Spring and Autumn Jacket Material).HAX1 100/16: Suitable for Thick Material(e.g. Jean Material).HAX1 110/18: Suitable for Thick Material (e.g. Thick Cotton Material).Package List50 x Sewing Machine Needles (5 Sizes, 10Pcs/Size) 5 x Storage Tubes (Random Color for Lid)2 x Bobbins1 x Measuring Tape150 Pieces: You will receive 50 pieces of universal sewing machine needles in 5 size, 10 pieces per size, meeting your needs. 2Premium Steel: These household sewing machine needles adopt chromium plated steel, which ensures high hardness, excellent wear resistance and long service life. 3Widely Compatible: These needles for sewing machine are compatible with most household sewing machine 4Practical Set: 5 x transparent storage tubes, 2 x metal bobbins and 1 x measuring tape are packed together with these sewing machine needles. 55 Sizes: HAX1 65/9 is suitable for thin fabrics, such as thick silk cloth, etc. HAX1 75/11 is suitable for medium and thin fabrics (e.g. shirt fabrics). HAX1 90/14 is suitable for medium thick material(e.g. Spring and Autumn jacket material). HAX1 100/16 is suitable for thick material(e.g. jean material). HAX1 110/18 is suitable for thick material (e.g. thick cotton material).