Package Contents: You will receive 18pcs twin needles pins(4cm/1.57inch) and 1pcs needle threader(7 x 2.5cm/2.75 x 0.98inch) in Plastic Box, you can see its marking in the blue area, they are compatible with most types of sewing machines. Quality Materials: These double sewing needles are made of high quality Metal, which can help threading easier, save time and effort, rust-proof and durable, ensuring that they can serve you for a long time. Delicate Double-needle Design: Each of double twin needles pins is equipped with 2 needles, which can be easily passed through 2 identical or different decorative threads, preventing skipped stitches and holes in knitted or stretch fabrics and creating beautiful patterns. Convenient Storage: Our twin stretch needles kit includes a small, easy-to-identify storage case that makes it easy to access and store before and after each use, and can be taken with you anywhere. Widely Used: These machine twin needles are excellent general purpose sewing machine accessories for most sewing machines, can be used for fabric, jeans, dresses, embroidery and more, also makes a thoughtful gift for sewing enthusiasts. Colour:As Shown Material:Metal Package Contents: 18x sewing machine double needle 1x needle threader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.