【Japanese Barberry Inner Bark 100g】 Sun-dried and stored in the refrigerator. We will deliver it in coarse chip form. The size of the chips is not uniform. Long pieces can be easily broken by hand. 【Plant Dyeing ★ How to Dye】 ① Make dye solution by boiling Japanese barberry 　・Amount of dye: Approximately 20% of the weight of the fabric to be dyed 　・Amount of water: Approximately 15 times the weight of the fabric to be dyed 　Boil for about 30 minutes, and remove the Japanese barberry before it cools down. ② Soak the fabric in water and lightly wring it out 　If the fabric has oil or dirt, it will not dye well, so wash it with a neutral detergent beforehand. ③ Dye the fabric 　Put the fabric in the dye solution and dye it for 20-30 minutes while maintaining a temperature of 90 degrees Celsius or higher. 　Stir well with chopsticks, etc., to avoid unevenness. 　After that, rinse with water. ④ Fix the color 　Dissolve a mordant (alum, etc. is also OK) in water and soak the dyed fabric for 20-30 minutes. 　Here too, stir well with chopsticks, etc., to avoid unevenness. Rinse with water and dry to complete (^▽^)/ Japanese barberry is also used as a raw material for Chinese medicine and has insect repellent effects. ●If you wish to have multiple items shipped together, please leave a comment and we will combine them and recalculate the shipping cost.