Scientifically blended with mulberry silk and soybean protein fiber, it combines the skin-nourishing, breathable and constant-temperature advantages of silk and the fluffy, elastic and durable features of soybean fiber. The quilt is soft, close-fitting and moisture-wicking, effectively avoiding stuffiness and dampness during sleep. It is not easy to harden or deform after long-term use, providing constant and comfortable sleep for all seasons.