WHY SILK? Silk preserves hair so less hair loss & healthier hair. Silk fibers have a very similar structure to human hair. The smooth surface of silk will minimize the chance of hair getting caught.- This hair bonnets for sleeping is very soft and comfortable to wear.- Soft and smooth light satin fabric, the excellent fabric is especially suitable for skin use. Unlike other curly hair cap used for curly hair, this hair hat will not fade easily.- Excellent Material: Be made of premium silk satin,good touch feeling.- Handmade and Ensured Quality - Atrube's Silk satin Hair Bonnet are always Handmade. Each of our bonnet comes with the proper quality check.