This item is a rainbow style hair massage comb brush, which has air cushion design, gently massage of scalp, increase circulation and hair growth, improve sleep quality and prevent hair loss. Besides, it has a back magic mirror for your convenience.- Material: Plastic and glass.- Length: 15cm; Diameter: 7.5; Teeth: 2.5cm.- Air cushion design, gently massage of scalp, increase circulation and hair growth, improve sleep quality and prevent hair loss.- 7 rainbow colors S-Curl Wave Design, reduces the friction with hair, anti-knotted, anti-static, make comb easy in dry cold day- Works with Any hair types: thick, thin, curly, straight, wigs, dry or wet.- Keeps straight hair smooth, glossy and wavy hair roll fluffy, elegant.- With a back magic mirror for your convenience.