YS Park Straight Shine Styler Round Brush These are made from natural teak wood, and contains 100% natural boar bristles. The boar bristles smooth the hairs cuticle, creating more shine with a sleeker and straighter look. This brush is designed with the signature Y.S. PARK ventilation holes around the bristles that allow for faster drying than traditional brushes. The wooden handle is shaped for comfort with ventilation holes that allow your hands to dry while drying your hair, keeping your grip solid. The neck of the handle is designed for easier and faster rolling. Available in two sizes. The oval handle is hollowed to keep the brush light and moving freely. All natural boar bristles. Suitable for all blow-drying needs. Faster drying prevents heat damage to hair. Two different sizes. Oval versions are listed as "Super Straight Shine Stylers" and are on a different page. Model Bristle Count Length/Width (in.) Weight (oz.) YS-452 12 rows, 17/18 bristles each L 8.66" x W 2.2" 1.6 YS-602 14 rows, 17/18 bristles each L 8.66" x W 3.0" 2.8 This brush is designed for professional blow-drying with moving airflow, and is not intended for prolonged, direct high-heat exposure. Certain characteristics, such as the textured handle feel, natural variation in wood grain or surface texture, are intentional design features. Damage resulting from improper use or high-heat blow-drying techniques is not considered a product defect and is not eligible for refund, replacement, or credit. All YS Park combs and brushes are disinfected with soap and water only