Fromm ProVolume 2.5" Self-Grip Ceramic Ionic Thermal Hair Rollers, 2 Count Large Salon Quality Hair Curlers for Medium and Long Hair, Blowouts, Curtain BangsProfessional Hair Rollers: Designed for salon professionals, delivering smooth, loose waves, curtain bangs, or voluminous lift with long lasting hold. Achieve big, bouncy volume at the roots with or without heat for superior results every time Ceramic Thermal Core: Unlike traditional hot rollers, our ceramic rollers heat up quickly with a blow dryer or hood dryer. The ceramic core provides even heat distribution, emitting negative ions to reduce frizz