Oonuki Fiber Ace Crown 201 Black 100% Polyester Spun Filament Yarn Thread Thickness: #50 This sewing thread is easy to use with home sewing machines and sergers. It combines the advantages of spun and filament threads, offering strength and a luster comparable to silk. I've collected threads of the same manufacturer and color, received from someone who has finished handmade items. I've removed the damaged parts of the outer circumference, but there may be fine dust accumulation and aging on the thread core due to long-term storage, so I've marked it as "Slightly damaged or dirty." Please refrain from purchasing if you are concerned. Will be protected from water damage and shipped in a Yu-Packet Plus box. Since I will use the post office counter on weekdays, it may take a few days depending on the timing. Please refrain from individual sales and price reductions.