1. Simple Operation: These double needle needles have two elastic needles, and the crossing bar is connected to a shaft, which can prevent needle jumps and holes in knitted or elastic fabrics, forming single color and double color stitches, or sewing in a straight line in a pattern way at the same time to create exquisite patterns.2. 18pcs: There are 18 double elastic needles in total, which are enough to meet your daily needs, and are equipped with practical needle threaders to reduce eye fatigue.3. Durability: These double needles are made of stainless steel and plastic, which are durable and have a long service life.4. Plastic Box: The double needle set comes with a small plastic box, which allows you to conveniently collect and store double needles.5. Perfect Gift: Double needles are good accessories for sewing machines, suitable for most household sewing machines, and can also be given to family and friends.