Charcoal coated barrel Features Conducts static electricity, making it genuinely anti-static. Produces Far Infrared Rays which help promote circulation and stimulate the scalp for shiny, healthy hair Is a porous material which helps absorb excess moisture for faster drying Brush Features Ceramic barrel emits negative ions and helps to eliminate frizz Firm ionic nylon bristles provide good tension to control even the thickest, unruly hair Boar bristles polish and condition hair, and are gentle to hair and scalp Vented barrel retains and circulates for more efficient styling Ridged rubber handle offers control without slippage Lightweight, ergonomic and well balanced 25 mm barrel Available In 4 Sizes SMALL ( CH25SC ) MEDIUM ( CH33MC ) LARGE ( CH44LC ) EXTRA-LARGE ( CH53XLC )