The "Premium Care Series" has a wide head that changes the common sense of Hublash. The ultimate polishing experience makes you feel the difference once you use it. The head thickness is about 25% thinner than our previous model, and the thin design makes it easy to move in your mouth. The thick brush wraps around your teeth, and the thin head allows you to reach the deep teeth with a lot of scrubbing. The tip of the hair is φ0.004 inch (0.01 mm) ultra-thin hair that enters the perimeter pocket and removes the plaque from the flat bristles firmly remove the dental plaque from the teeth. Double flocked hair with soft bristles on the outside that gently applies gums and hard interior bristles to firmly polish the boundaries of teeth and gums With a large amount of hair planting and a large surface contact between the teeth and brush, you can easily and efficiently remove plaque with regular brushing. The wide head has a large number of holes for flocked hair. 41 Hole 6-row compact head for easy reach in narrow spaces. Firmness and softness of bristles. Model Number B-8000S Information Tag Number 51 Hair Material Saturated Polyester Resin Main Body Material: Resin; Polypropylene; Rubber Component: Thermoplastic Elastomer. Heat resistant up to 80℃ Made in Japan Individual Package Size: 1.3 x 9.1 x 0.7 inches (33 x 230 x 19 mm), 0.7