The night-time Hair Curlers for long, thick or curly hair, heat-free rollers to style hair while sleep The Heat-Free Rollers allow you to dry and style your hair while you sleep! Just wash, let your hair air dry 80%, wrap hair in curlers, enjoy a good night sleep and wake up with beautiful beach waves. Made with super absorbent memory-foam core that wicks moisture out of your hair while remaining dry to the touch. Feature: Can wear on dry or wet hair Easy to use, no pains needed Smooth roller surface protects hair from breakage Make of soft foam and cotton, comfortable to wear while sleeping Ideal to produce curly hair style (Medium curls) What's in the box Package includes: Material: Foam wrap with cotton. Size: Approx 8*3.5cm Color: Blue Quantity: 8 Pcs/set