【Antibacterial Bristles】Brush with antibacterial bristles prevents bacterial growthon the bristles and inhibit bacterial advancement at the brush. 【Won't Harm Your Gum】Soft Premium DuPont Bristles deep complete sweeps away plaqueand makes it durable and not gentle to fall off. 【Great Value】 With a pack of four replacement cleansing toothbrush heads provided at a budget-friendly price, you would efficiently economize. 【Easily Install】Pull out your outdated brush head and fix the recent one smoothly and smoothly. When installing the toothbrush head, insert it into the toothbrush handle and ensure the substitute toothbrush head is fixed. 【Precise Teeth Cleaning】Thorough dental cleaning, catering to everyday life for the promotion of oral health. Please note: If you have any questions, please be at liberty to touch our legitimate customer support team. We promise to supply superb after-sales provider to guarantee your satisfaction!