Ceramic coated barrel evenly distributes and holds heat longer. Round vented barrel diffuses heat evenly so hair dries faster, reduces blow drying time. Ion charged bristles for smooth, shiny hair Tightens cuticle layer and seals in natural oils Tourmaline eliminates frizz and creates silky smooth hair. Lightweight design Cushion rubber handle Available in 4 sizes: 25mm, 32mm, 43mm. and 53mm.