① each inner is made by selected 100% silk (super grade silk)

② all are hard folded with wiredrawing by entire net

③ all material is high quality silk
　　　　　　　　　　　filling: 100% super grade silk
　　　　　　　　　　　cover: 100% mulberry silk <special region provided with 100% cotton>
　　　　　　　　　　　sewing thread: 100% silk thread.

④ its inner is pure silk, after long time use, it will be run out. therefore, we have adopted japanese advanced sewing technology.

⑤ there are sewing circles are in the middle of quilt, and also two lines at the edge so as not to run out.

⑥ we have increased the inner silk weight according to the former phenomenon ,it turned thinner after taking some time.

⑦ we add coverlid to duvet so as to wash frequently and kept it clean.

⑧ each duvet is inspected by assigned person who had sign on it.