For Adults Children Whitening Soft For Xiaomi T100 Waterproof Replacment Toothbrush Heads Sonic Electric Toothbrush Description: Product name: Toothbrush Head Replacement Bristle hardness: soft Brush handle material: PP Bristle material: PBT Hair planting technology: copper-free hair planting technology Specifications: 1. High-density hair planting to improve cleaning rate 2. Compared with the traditional round hole hair implantation, the hair volume is increased by about 40%, the contact between the bristles and the tooth surface is increased, and each tooth is cleaned by wrapping 3. Using three-dimensional cutting, the short bristles clean the surface of the teeth, the long bristles go deep into the gap between the teeth and the edge of the gums, 360° balanced cleaning, and brush out teeth Package Included: 1x Toothbrush Head Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store