Silk Filled Duvets Encased With CottonNo one makes the silk duvet like we do! Snow Blossom is highly expertised in producing silk filled duvets! Our world famous silk duvets are filled with silk floss which is hand extracted from each silk cocoon, therefore, there is no grade rating as we only hand pick the best silk cocoons. Only the machine extracted silk has the grade ratings. Each silk cocoon is washed with unpolluted deep well spring water and then dried in fresh air in the