long hair curler, sleep use, sleep curler, no heat curling iron, large hair ring, no trace portable flexible & stretchable ，Fluffy to stay in shape，non-deformable with no folding crease no matter how you fold it. No Damage- The smooth fabric can help keep your hair free from tangles and split ends. Convenient & Time-saving- convenient to use at home and portable to be carried out. You will have beautiful hairstyles every day without spending for for time in the morning. Short or long hair can be used, and the hairstyle can be changed at will.