Thank you very much! This is a 10-color trial set of plant-dyed sashiko thread, each 25m. This is the only set available. Perfect for gifts. Thread: Kotoriya's white thread 20/4 Length: Approximately 25m Dye: Please see the photos. Color enhancement treatment: Color Up ZB Mordant: Alum, copper After dyeing, the thread is washed with neutral detergent and rinsed repeatedly, and finally finished with fabric softener (unscented). ☆ Although the thread has been washed many times, due to the nature of plant dyeing, there is a possibility of some color bleeding at first. Please understand. #PlantDye #SashikoThread #Thread #TrialSet #ShadesAndColors #Colorful #HandDyeThread #25m #Handmade