1.with of 100% best level of mulberry silk of different weights

2.With the different kinds of cotton and silk cover
Mulberry silk contains about 38%  twinning interspace of silk : mulberry silk can keep the temperature of the quilt as high as that of the body in a long time. Also the  twinning interspace of silk can absorb and store the heat effectively to withstand the cold snap. They are the best choices for the winter.