Professional white stripes – 28 strips (14 top, 14 bottom), 28 teeth whitening sessions. Only 20-30 minutes a day, hold on 7-28 days. White stripes effectively brightens the teeth, improve your teeth for a brighter smile.<br> Easy and quick to use: it is recommended to dry the teeth before use, just need to tear open the packaging, attached to the teeth according to the upper and lower teeth, wait for 20-30 minutes and then tear off, whiten teeth yourself, save time and money<br> Highly effective teeth whitening strip: no more worrying about yellowed teeth caused by coffee and red wine, smoking, chocolate, etc., because the white stripes can help you solve the problem of yellowed teeth efficiently. Fresh mint taste leaves the mouth fresh and clean every time. Deliver professional teeth whitening results at home.<br> Free teeth whitening contrast table - Teeth whitening contrast table with a teeth whitening contrast table on the side that allows you to easily observe the teeth whitening process at home. observe.<br> Whitening strips area: ergonomic design, according to the shape of the tooth, a teeth whitening strip that fits the size of the tooth is designed to improve the whitening effect in several dimensions. Both men and women can use it. 28 whitening strips can meet the needs of a family of four for a week. It is a great gift for family, lovers and friends