The JML Hair Shark is the first hairbrush of its kind to provide both volume using natural boar bristles, which give hair a positive charge and a long-lasting 24hr hold and shine. The bristle and fin combination leave your hair packed with volume yet smooth and shiny so you can enjoy voluminous height without the birds-nest effect which traditional backcombing provides.Natural boar bristles avoid damaging your hair so you can work your style as big as you like without snapping, or splitting your hair. The natural boar bristles give your hair a positive static charge, making it stand up and hold its shape and height that lasts all day and all night. The negative static charge created from the clever \'shark-fin\' side of the Hair Shark leaves you with a smooth and sleek style. . JML Hairshark Pro Backcomber. All new backcombing technique. 24hr volume, no nest, no mess!. Patented bristle and fin combination. Positively-charged natural bristles for longer-lasting volume. Anti-static technology. Ergonomic design. Approximate dimensions (mm) H245 W25 D45