40mm long roller (one roller, to create curls in two directions). The upgraded roller winds hair in both clockwise and counterclockwise directions without requiring a roller change, creating voluminous curls more efficiently. Uses air styling technology with the hair dryer to form curls. Low temperature setting helps protect hair while achieving a stylish look. Automatically winds hair using airflow and a 40mm barrel to create full, soft curls. Made from high-quality materials for long-lasting use. Sleek and well-designed to complement compatible devices. Compatible Model: Designed for Dyson Airwrap Hair Dryer. Color: Gold + Grey. Material: Nylon. Package Contents: 1 x Hair Curling Roller Barrel or 2 x Hair Curling Roller Barrels The package includes only the items listed above; other accessories are not included. Note: Due to lighting effects and monitor settings, the actual color may vary slightly from the image. Measurement may vary by up to +/- 1-3 cm.