The Colgate 360 Optic White Battery Toothbrush Replacement Heads help extend the usage of your system. They feature high quality bristles, a cheek and tongue cleaner and a dual-action design. These Colgate 360 electric toothbrush heads provide polishing action for whitening in one week. Combine with your preferred mouthwash and toothpaste for a radiant smile. Use these Colgate electric toothbrush heads to power away bacteria and plaque for a healthy whole mouth clean. They come in a pack of two for your convenience and are simple to attach and remove.