I was so excited to order this bonnet, I had been searching online for real silk instead of satin which seems to be the most common but found this lovely company with high quality materials. I bought the silver ion bonnet with the hopes it also maybe kind of protected from emf as well as benefiting hair and skin. The fabric is so soft and prettty. I took a star off because no matter how I have my hair put inside the bonnet it comes off my head every night even with the inner strap being tied as tight as possible. It’s become a problem for sleeping cause it just slides around on my head making my hair frizzy and completely defeating the point of wearing a bonnet. I regret buying it because $130 is a lot to drop on something that wont do its job. I dont understand how anyone with wavy hair gets this to stay on their head without bobby pins (which sound uncomfortable) and it’s really bumming me out. :/