worst thing i have ever bought on amazon [SEP] i do not want to give any stars to this product they were delivered on time and packaged really well the following night i decided to try three i rolled them in at the top of my head not believing i would sleep well on them they did not want to stay in i finally did get them rolled in went to bed and they were flopping all over one came out in the night i had to reroll it three times that night my hair looked a little curled i will be sending these back do not waste your time or your money on these