The Thermal Coconut Round Brush adds volume and shine for a long-lasting style. The thermal barrel retains and distributes heat evenly to prevent damage. Firm bristles made of 100% nylon glide easily through hair.Product FeaturesThermal barrel retains and distributes heat evenly to prevent damageAdds volume and shine for a long-lasting style100% firm nylon bristles glide easily through hair1.3" (34mm)Material - Barrel - Aluminium, Handle - PP polymer resin 65%, natural coconut husk powder 30%, paraffin 5%, Bristles - 100% nylon.