1. Protect your hair and sleep: Our heatless curling irons are suitable for all hair types and textures, no heat and electricity, no damage to your hair at all. The hair roller with the soft memory foam core allows you to sleep soundly.^2. Easy to use: Wash your hair and keep it 75 to 80 percent dry, twist the appropriate amount of hair on the hair rollers, different uses give different beautiful hair waves. You can create satisfying and attractive hair styling while you sleep, saving time.^Reusable: Lightweight hair rollers are very suitable for travel or vacation, 3. store them in your bag and you can reuse them countless times and get the curls you want anytime, anywhere.^4. Hair styling set: Each set includes 12 hair rollers, without extra waste. Enough hair rollers to help your hair finish curly hair styling in just one night, these are curling irons you can sleep in, create your own glamorous curls!^5. Size 12 cm length