This pre-wound bobbin thread is perfect for all your embroidery needs. Made of high-quality polyester material, it is suitable for both industrial and personal use. The bobbin size is L, with a diameter of 0.35 inches and a height of 0.83 inches. It is suitable for all-purpose and computerised embroidery designs, making it a versatile choice for any embroidery enthusiast. Whether you are a professional or a beginner, this thread is sure to meet your needs. Get your hands on this essential embroidery accessory today!