Thank you very much. ※ Please note that we cannot sell individual colors, exchange items, or add to the set. ※ We want to be fair to everyone, so please refrain from price negotiations. This set includes 12 colors of 25m sample sizes, plus one indigo-dyed item as a bonus (see photo 4). Perfect for those who want a variety of colors in small amounts. Thread: Kotoriya's white thread 20/4 Length: Approximately 25m Dye: Please check the photos Color enhancement treatment: Color Up ZB, soy milk Mordants: Alum, copper, iron After dyeing, the thread is washed with neutral detergent and rinsed repeatedly, then finished with fabric softener (fragrance-free). ☆ Although we have washed the thread many times, due to the nature of plant-based dyes, there is a possibility of slight color bleeding at first. Please understand. #PlantDyeing #SashikoThread #Thread #SampleSize #25m #Handmade #HandDyeing #CarrotLeaves #IndianMadder #Logwood #Onion #Crafts #Embroidery