40mm Hair Curler – Large Egg Roll Deep U LCD Styling Tool40mm Hair Curler for Soft Waves & Deep U Volume The ZA Zola 40mm hair curler is designed for effortless styling when you want big, soft waves and deep U shaped curls that look naturally full. With its large egg roll barrel, this curler creates volume from root to tipperfect for long hair, medium hair, and layered styles. Picture getting ready for an evening out. One smooth wrap, gentle heat, and your hair falls into glossy waves that move with you.