Keeps your hair frizz-free Prevents your hair from tangling Reduces static electricity of Hair Keeps your Hair smooth 3 Free Satin scrunchies with every purchase One of the main problems with the available Satin bonnets in the market is Bonnet not staying on the head throughout the night. So we have developed a unique elastic adjustment mechanism which solves this problem. Bonnet can be adjusted to fit different head shapes and sizes. It can also be adjusted for different hair lengths. So whatever head shape or hair length you have- It doesn't matter. You can blindly go with AP SALES Silk Satin Bonnets The Two layers of Silk Satin reduces friction between your hair to almost zero. Thus preventing your hair from getting frizzy. We have two beautiful colors and these are Reversible. So, You can use it on both sides alternatively.