DESC: The secret to Caruso professional molecular curls is the roller! Patented roller design allows for breathing space between foam and sheild for faster evaporation and tighter curls. Six Packs are available in 5 different sizes: PETITE: for short, baby fine hair and tightest curl. SMALL: for long or short hair and tight curl, short hair and spiral curl. MEDIUM: for medium length or textured hair, and medium curl. LARGE: for coarse or medium textured hair, and looser curl, volume and body. JUMBO: for maximum body and smoothing. Just scroll down to choose your size.