★Fits any Philips Sonicare click on toothbrush: Phillips Sonicare DiamondClean, 2 Series Plaque Control, Sonicare 3 Series Gum Health, EasyClean, Essence+(NOT Compatible with Essence), FlexCare, FlexCare+, FlexCare Platinum, HealthyWhite and HydroClean Philips Brush Handle★Hygienic Travel Cap: Replacement toothbrush heads come with caps for hygienic storage,effectively protect your toothbrush head is not outside pollution. The special bacterial protection bristles help to keep your brush head clean and inhibit bacterial growth on the brush.★End-rounded nylon bristles: Provide important benefits for toothbrushes when cleaning soft tissue. With end-rounded bristles, plaque on tooth surfaces can be effectively removed while providing holistic care to both the teeth and gums.★Share with your family :Each pack has 4 brush heads, and each head has it's own color mark at back of bottom, easy to distinguish each other.★Reminder bristles: Our Green indicator bristles discolour to let you know when to replace them, don't need to worry or guess. Dentists recommend replacing the brush head at least once every 3 months.