This Review Title is Silicone is the best and the content is: At half a century old, I have frosted my hair and my daughters, over the years. Silicone caps are better then those plastic ones. It is worth the small investment, in my opinion, And they are not available at my beauty supply store anymore..There are other information for this review, one is This reviewer did purchase it and the other is 5 people think this review is helpful.