For Large Curls, Medium to Long Hair, or Medium to Thick Hair. Fits all Caruso Molecular Steam Setters. The 30 Second Curl-briefly blow dry hair to set curl in 30 sec. to 2 mins., depending on hair length. Patented molecular roller design allows for breathing space between foam and shield for faster evaporation and tighter curls. Unique shield lock holds rollers tightly. In convenient 6 pack