The Hotpod Diva Professional Styling Instant Heat Hair Rollers are electric hair styling devices designed for women of all hair types. These hot rollers have a ceramic heating plate, providing instant heat up to a maximum temperature of 130°C. The 50mm barrel size and sleek black colour make them a stylish and practical choice for achieving perfect curls and waves in a matter of minutes. The Diva brand ensures high quality and professionalism in hair styling, making these rollers a must-have for any beauty and hair care routine. Bought for my daughter who, as far as I know, only got them out of the boxes.