VALUE PACK: Standard size, improved neck design and medium-stiffness bristles provide superior deep cleansing and comfortable brushing. Professional Cleaning: The contoured bristles fit your teeth and gums well, can completely remove food particles and plaque between teeth, and effectively clean teeth. Indicator Light: Our replacement toothbrush heads come with indicator bristles. The color of the bristles on replacement toothbrush heads will fade, indicating that you should replace your toothbrush, usually within 3 months. Wide Compatibility: Electric toothbrush replacement head fits most toothbrush handles Material: Plastic + bristles colour: black Package Contents: 20 x toothbrush replacement brush head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. VALUE PACK: Standard size, improved neck design and medium-stiffness bristles provide superior deep cleansing and comfortable brushing. Indicator Light: Our replacement toothbrush heads come with indicator bristles. The color of the bristles on replacement toothbrush heads will fade, indicating that you should replace your toothbrush, usually within 3 months. Professional Cleaning: The contoured bristles fit your teeth and gums well, can completely remove food particles and plaque between teeth, and effectively clean teeth. Wide Compatibility: Electric toothbrush replacement fits most toothbrush handles