This is a highly requested product. We've started carrying it today. ● Features: Ultra-fine + round bristles ● Difference from the basic model: 　The ci700 toothbrush has a thinner head. We also offer a set of 10 for sale: 10 pieces for 888 yen Made in Japan, with an ultra-thin head for excellent maneuverability in the mouth. Ultra-fine + round 2-stage bristle design for gentle plaque removal + gum massage. Suitable for: Upper elementary school students to adults Total length: 169mm Head: 8.5 x 21mm Colors: Light green, orange, white, blue, pink Bristle stiffness: Medium A set of 20, 4 of each color. Made in Japan, for peace of mind. #AdultToothbrush #Toothbrush