Professional Anti-static Scalp Massage Brush Features a curved row design for comfortable styling and hairdressing. Does not damage the scalp or generate static electricity. Curved design, delicate and smooth, feels good, comfortable, and durable. Non-slip handle made of high-temperature resistant material for a comfortable grip. Specifications: Material: Plastic Dimensions: 245 X 65 mm / 9.45 X 2.95 inches Weight: 90g The brush has evenly spaced bristles, moderate softness and hardness, good flexibility, and is resistant to cold and heat, not easily deformed. It is firm, moisture-proof, heat-resistant, acid-resistant, and abrasion-resistant, with excellent natural adsorption performance. Good bristles are closest to human hair. They are recognized as the best and softest, offering benefits like being less prone to breakage and not irritating the skin. Made from pure natural hair comb material, it also provides good insulation, toughness, and high tensile and compressive strength. Its specific tensile strength is higher than that of BAI, and its specific compressive strength is comparable to metal, though its rigidity is less than metal. Its breaking strength is close to its yield limit, more than double that of ABS. Its impact vibration absorption capacity is strong, and its impact resistance is much higher than general plastics and better than acetal resin.