Design Toothbrushes with holes that reach the backs of set set x 3 [Good Award] molars, 12-piece (assorted 4-color boxes)

The hole in the middle of the brush part helps dry the brush and allows it to be stored hygienically. The slim, curved handle makes it easy to brush the backs of your back teeth. The donut-shaped brush bristles wrap around your teeth as you wash. The recessed thick grip makes it easy to hold and polish. Made in Japan / Good Design Award Winner Paper packaging specifications to reduce plastic in SDGs