APOEM Our hair curling rollers are made of quality ABS plastic, nonslip and heatless, durable and safe to apply, not easy to break, the several holes of the rollers can achieve a better saturation, practical to design some beautiful wavy, fluffy, curly hair. The hair wave rods can be used without any electric, heat wand and perm cream required, DIY you hair style safe and comfortable, no damage to hair. create different curly wavy body wave water loose wave hair style, meet your different needs, it is great hair roller for long hair, short hair and natural hair. great for salon or household use.