BeBella 5 Piece Interchangeable Curling Iron Set includes barrels 9-18mm, 18-25mm, 25-25mm, 25-32mm and 32-32mm. Barrels are easily interchanged to produce small, tight curls, medium, wavy curls or large, loose curls. With 100% tourmaline barrels for faster styling and two heat settings reachin up to 450oF to touch up or style from the start. Heat protective glove included. Far infrared heat preserves moisture and protects cuticle.