Cloud & Glow SILK pillowcase is made from the highest quality 22 momme 6A grade 100% mulberry silk.BENEFITSHelps your skin & hair retain natural moistureReduce the appearance of facial creases and linesPrevent tangles, frizz, and damageHypoallergenic and eco-friendlyStays comfortably cool when temperatures riseThe smooth finish does not absorb moisture like traditional cottonLAUNDRYWash at a temperature no higher than 30°C, preferably in a laundry bag, with an enzyme-free liquid detergent. Do not use fabric softener and do not tumble dry.OEKO-TEX®SILK Pillowcase is certified with OEKO-TEX® Standard 100. The certification guarantees that the product is tested and free of substances that can be harmful to your health and the environment.