DescriptionMade of sponge, not easy to break or deform, lightweight and won'tburden on your head, can be applied for multiple times. Help you createbeautiful curling hair easily, not need to be heated, so it does not hurtthe hair. These hair rollers can help you to create exquisitehairstyles at anytime.Features- Material: Sponge. - Size: 100.00X3.00X3.00cm/39.30X1.18X1.18in. - Made of high-quality sponge material, no odor, no harm, safe and durable for use, skin friendly, kids friendly. -Itcan be slightly heated with a hair dryer, which is easy to operate.Using these curlers will not cause any damage to the hair. -Easy to use, no need for hair irons. Quick curl the hair to make the curls firmer and effectively create stylish wavy hair. -Easy to hold and operate, won't make you feel uncomfortable when being applied on your head. -Portable, small size, lightweight, easy to carry, you can take them to any place you want.