Our wave brushes are not only curved hand brushes which makes holding them and brushing your hair 10x easier. It is also made of 100% boar bristles with a curvature to fit the contours of the head in order to produce maximum contact with the hair and follow the natural shape of your head whilst massaging your scalp. The handle is made of solid beach wood and a glossy finish. The curvature on the handle and the ridge on the side ensures the perfect fit for the palm of your hand Medium wave brushes are perfect for any length hair and allows for faster results since each stroke you make comes into contact with more hair when compared to a regular straight brush making your wave journey easier & quicker! Note: Do not use in the shower.