Avanti - X-small Round Brush Barrel size: 16 mm diameter Avanti Ultra's popular Gel series now available in a new size Ceramic technology barrel heats up faster and retains heat longer for faster styling; eliminates static and frizz, leaving hair shiny and healthy Vented barrel circulates heat for faster drying Firm nylon bristles provide good tension to control even the thickest, most unruly hair Lightweight silicone gel handle with soft grip conforms to the shape of the hand for a customized fit; provides optimal control without slipping Silicone gel is combined with antibacterial powder to repel and destroy bacteria for added safety and cleanliness