The JustAce polyester thread is less likely to deteriorate due to UV rays, decreased thread strength, and less linting than nylon threads, and the color is more stable than nylon threads, so it is able to provide a stable supply of "color". All colors, parallel wound that is not easy to get string. Floresent threads are coated after coated, the feet of the guide are not see-through, and the color is similar to the color of the thread before coating. Length: 328.4 ft (100 m), Thickness: C (thick).