AVANTI® ULTRA MAGNESIUM BRUSH DISPLAYFeatures: Magnesium technology: - Superior heat conductivity; heats faster, dramatically reducing drying and styling time, and helps protect hair from heat damage - Releases far infrared energy which increases moisture penetration into the hair shaft and has antibacterial properties. Hair is sanitized, detoxified and deodorized Barrel and bristles have anti-static properties Vented barrel circulates heat for more efficient drying and styling Crimped nylon bristles provide excellent grip to control even the thickest, unruly hair Rubberized handle offers control without slippage Made in Korea Eco-friendly cardboard display holds 2 of each brush (total of 8 brushes):- AV25MAGC Small (25 mm)- AV33MAGC Medium (33 mm)- AV43MAGC Large (43 mm)- AV53MAGC Extra-large (53 mm)