COMPATIBLE WITH PHILLIPS ELECTRIC TOOTHBRUSH all models starting with HX3 HX6 HX8 and HX9 ECOFRIENDLY ponpace biodegradable toothbrush replacement head is made of 100 bamboo body only bristles are made of nylon about 15 of the weight of the toothbrush head BE GENTLE ON ORAL CAVITY ponpace bamboo replacement head is carefully polished with a food grade coating to make the entire brush head very smooth combining soft bristles bring a better and safer experience to your oral cavity DOUBLEPOINTED CHARCOALINFUSED BRISTLES Fresh breath and deep cleaning of teeth RECYCLABLE PACKAGING INDEPENDENT PACKAGING Independent packaging ensures the safety and hygiene of each electric toothbrush replacement head all packaging 100 plastic free