Extra Soft Toothbrush for Sensitive Gums (Pack of 3)ULTRA SOFTUsing Japanese technology, more than 20,000 micro fine bristles are much thinner than other soft bristles which thicknesses at 120m, fine and soft, deep oral cleaning, designed for sensitive teeth. DEEP CLEANSEthe ultra fine BPA free bristles get into more difficult corners and spaces between teeth and gum margins, produce 20 times more rich bubble, remove plaque more effectively. GENTLE BRUSHINGThe ultra soft toothbrush do great cleaning