CURAPROX 5460 Ultra Soft Toothbrush, 5 Pieces New, Unopened Regular Price: ¥1,210 (tax included) per piece - Brand: CURAPROX - Model Name: 5460 Ultra Soft - Colors: Orange, Purple, Blue, Yellow-green - Quantity: 5 pieces Quoted from the website: - About CS5460 - The toothbrush bristles are ultra-fine, with a diameter of 0.1mm to 0.15mm. The number of bristles is about 2-10 times that of ordinary toothbrushes (comparison figures extracted from the Mainichi Shimbun article "Doubt Resolved"). CS5460, as the name suggests, has 5,460 bristles. With these ultra-fine bristles and an overwhelming number of bristles, the tips penetrate deeply into the gingival sulcus, grooves, and interdental spaces without damaging the gums. Furthermore, the bristles use Curen® fiber (Curen fiber), a self-developed polyester, so they are soft yet elastic, durable, and economical. Experience the softness of cream cheese and the stickiness of chocolate butter. Curaprox 5460 Ultra Soft Toothbrush Set of 5 Target Audience: Adult Toothbrush Type: Toothbrush Hardness: Soft