This product is made from Echizen washi paper fibers, which is known for its gentle nature and sustainable qualities. Crafted by Skilled artisans in Fukui that is the birthplace of washi paper with more than 1500 years of history. When worn overnight, the gloves captures moisture from the surrounding air, providing long-lasting hydration until the next day. Taking care of your skin overnight is essential, regardless of the season. For optimal results, we recommend using it in combination with our fingertip moisturizing watering gel (nail beauty serum) or hand cream.