About This COMPATIBLE WITH PHILLIPS ELECTRIC TOOTHBRUSH: all models starting with HX3, HX6, HX8 and HX9. ONLY 6% PLASTIC CONTENT: ponpace biodegradable toothbrush replacement head is made of 100% bamboo body and plant-based bristles (composed of 62% castor oil and 38% nylon), with only 6% plastic content in the entire product. 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 end-rounded bristles, bring a better and safer experience to your oral cavity. WAVED BRISTLE:The advantage of a waved toothbrush head is that it can thoroughly clean the gaps between the teeth. RECYCLABLE PACKAGING & INDEPENDENT PACKAGING: Independent packaging ensures the safety and hygiene of each electric toothbrush replacement head, all packaging 100% plastic free. Overview Brand : ponpace Color : Black, White, Blue, Green Size : 1 Count (Pack of 4) Material : Bamboo, Nylon Age Range (Description) : Adult