It is not black. There is some fuzz and light soiling remaining on the top. Please be sure to confirm the exact color yourself. Spun industrial sewing thread #90 3 spools, #60 1 spool King Polyester Spun (16) Burgundy? I think it's darker than crimson. #60 Approximately 50 grams #90 Approximately 110 grams for 3 spools Please be sure to check the color number on the King Polyester Spun color chart and confirm the exact color yourself. For sergers, for thin fabric hemming The above colors are largely based on the seller's subjective opinion. Please refrain from complaints about the color, such as the color being different from what you saw. These were purchased in bulk and had been gathering dust. There is light soiling and fuzz remaining on the corners. I have cleaned them, but please refrain from purchasing if you are concerned. Can be used with a home sewing machine. The easiest way is to wind as much as you need onto a bobbin and use it for both the top and bottom threads. Or, please refer to the images. Will sell individually. #60 only: ¥550 #90 only (3 spools): ¥950 Please let me know in the comments. Discounts are not available. Please refrain from requesting a price reduction.