Travel Ortho Channel-trimmed brush has a compact head, and deep channel-trimmed bristles to effectively clean orthodontia. Outside bristle rows glide under wires for safe, comfortable cleaning. Brush cover converts to handle. Vented cover to allow brush to dry. 5 assorted colors. This toothbrush is 6.5" long fully extended, and 4.25" long in travel mode. Sold by the dozen.