Brush dia. 85mm(3.3"), barrel dia. 53mm (2"), overall length 260mm (10"), handle length 120mm (4.7"), weight 140g. Durable, light weight and heat-resistant. Tough but gentle boar bristles help to distribute oils from the scalp, all the way down the hair shaft for healthy-looking hair with a natural glow. Stimulate the production of nourishing oils that help protect hair. Significantly reduces the drying time - New technology materials used allow the rapid heating of the brush, keep the temperature and created wide openings facilitate the passage of air. This blow dry round barrel hair brush is made of ceramic plate and nano technology with natural boar bristles.