Product Description: Premium ToothbrushThe thinnest brush in the world - Estimated 1777 0.01mm ultra-thin and tapered brush hairsSpecially designed to massage and care for weakened gums with 3,000 soft and rich brush hairs.Kent, which has been the 'world's best brush manufacturer' since the 18th century, is one of the oldest established companies in the UK. Founded in 1777, Kent is a leader in brush manufacturing history and is a company recognized for its excellence in product quality, to the point of being granted a Royal Warrant for 9 years after George III. 3,000 dense brush hairs that are finely tapered to 0.01mm - Massage sensitive gums and vibrate deeply between teeth and crevices to remove food lumps.