I think there's a thin layer of dust on the top and bottom. Please be sure to check the exact color using the Toyobo sewing thread color chart and purchase only after you understand and are satisfied. TOYOBO Lockstitch thread, 4 spools, 80 size (A-209) Low-tone light blue Approximately 80 grams each, may be slightly less Please be sure to check the exact color yourself and be satisfied before purchasing. The above colors are based on the seller's subjective opinion. Please confirm the exact color. For overlock machines, for thin fabric, for plain stitching. If you want 3 spools, it's 1450 yen. Please let me know in the comments. We cannot offer discounts on individual items. Please refrain from asking for a discount. #Lockstitch machine #Industrial sewing thread