6-row compact head for easier access to back teeth and tight areas—ideal for more detailed brushing. Wide & slim head design helps reduce missed spots. Dual bristle structure for gum care: ultra-tapered bristles (~0.01mm) reach periodontal pockets, while flat bristles clean tooth surfaces and the gumline. Heat resistance approx. 80°C. Handle: Polypropylene (PP); Bristles: Nylon. Made in Japan.