① The feathers of goose, which grows well in the natural environment and has good athletic ability, are strong, warm and perfect for futons. ② This feather is washed down to the smallest detail with underground soft water in the Odaigahara Mountains in Mie Prefecture to maximize the original heat retention, moisture absorption and desorption, and elasticity of natural feathers. ③ There is a large amount of feathers in the two-layer structure of this three-dimensional quilt. ④ Best to Dry Clean