You will receive a 2 meter length of 100% natural silk with the needle attached. Yes, the thread has the needle attached. You did hear that right. This natural silk cord is white. It's that popular black color. Basic black is a great color to use with those unusual designs. The size is a number 6 which is perfect for most pearls. You will want the silk to be thick enough to fill the hole of your pearls adequately. We recommend the size #6 for that purpose. Please check out our how to video on knotting pearls in the A Grain of Sand Bead University.