This professional set includes 20 velvety flocked rollers: 6 small (3/4"), 6 medium (1"), & 8 large (1-1/4"), 12 butterfly clips & 12 color-coded metal clips. Nano titanium ceramic cores heat these rollers up quickly & evenly for smooth waves & curls. Use these salon-quality hot rollers to create smooth, shiny natural bouncy curls or waves without damaging hair.