Function: 1 . Prevent Hair Damage: The no-heat hair curlers can help you create beautiful and natural curls without heating or hurting your hair. 2. Hold Tightly: Non-heating hair roller with perfect size that can hold your hair firmly, different curl directions can give you different curls. 3. Wide application: soft hair rollers suitable for kids, girls and women to DIY their favorite hairstyle, just spray some hair gel on dry hair and use. 4. Portable Size: The soft sleeping hair roller can be folded to a small size for easy carrying in a bag, which can be used when traveling. 5. Sponge material: The curling iron is made of high-quality sponge material, soft and skin-friendly, which will not cause any damage or burden to the scalp. Specification: Item type: hair curlers without heating Material: sponge, steel wire Size: Approx. 21 x 3.5 cm / 8.27 x 1.38 inches Package List: 20 x Soft hair curlers