40mm Barrel for Voluminous Big Waves The 40mm large barrel creates loose, bouncy, and natural-looking waves. Perfect for long hair and achieving the trendy lazy atmosphere style.20 Million Negative Ions for Frizz-Free Hair Built-in negative ion technology locks in moisture, reduces static, and leaves your hair smooth, shiny, and less damaged.5 Adjustable Temperature Levels Choose from 140℃ to 220℃. Ideal for fine, normal, thick, and coarse hair types to avoid heat damage.Safe & User-Friendly Design Features an insulated front end and anti-scald clip. The 360° swivel cord prevents tangling, making it easy to use for beginners.Long-Lasting All-Day Hold Provides long-lasting hold that stays bouncy from morning to night. No need to touch up your curls throughout the day.