these rollers from Toni&Guy, are all about big volume so now you can create the look with this professional roller set. Designed to protect your hair colour with the soft flocked barrels, the innovative duo heat performance heats and styles from the core & locks the style from the outside. This extreme volume roller set heats up in less than 2minutes for ultra fast styling. The compact design comes with 6 medium (25mm) and 4 large (38mm) rollers. Salon Tested Professional Performance guaranteed.