The Hismile Electric Toothbrush Head Refills are designed for optimal oral hygiene. Featuring soft-tapered bristles, these refills ensure effective cleaning while being gentle on gums. Ideal for maintaining your electric toothbrush's performance, they come in a vibrant green color. Soft-tapered bristles for effective cleaning Includes one colored toothbrush head Key Materials: Plastic head; Soft Nylon/PBT Bristles.Innovative oral care brand known for advanced teeth whitening solutions and electric toothbrushes.Replace Head: Remove the old brush head and snap the new one securely onto the electric toothbrush handle.Replace brush head every 3 months or sooner if bristles are frayed. Use only with Hismile electric toothbrush handle.