Material: PP/ABS/TPE Size: diameter 10.5CM, length 21.5CM Heat resistance: 140 degrees Hollow design - does not hurt the hair, evenly disperses the heat, avoids high temperature damage to the hair, recycles the heat, and makes styling more effortless. 360 Degree Spherical Design - Prevents hair from tangling and can also be used to create curls in different styles. Unique rounded plastic bristles separate hair sideways instead of downwards, gently untangling even the toughest tangles. Practical Hairstyles - The unique comb design can also be used to create curls in different styles. Protect Hair - 3D Spherical, Massage Comb Pear Shaped Head The brush has painless soft plastic bristles that massage the scalp and increase blood circulation to help promote hair growth.