It's good for your hair, without heating, keeping you away from electricity perm or any chemical water, make beautiful curly and wave hair without damage. It's portable for you to carry out during travel and business. Made of foam core, it's light and soft special for sleeping; You can use soft foam hair rollers when sleeping, which can help you save time and get a beautiful wave hair. This sponge twist curler is flexible, durable, washable, also makes you feel comfortable. Suit for all hair type, save time to go to salon and you can use it easily for your hair at home; Let your hair air dry 80%, wrap hair in curlers and enjoy yourself.