Compatible With Aquasonic Electric Toothbrush: Compatible With Black Series, Black Series Pro, Vibe Series, Vibe Series Pro, Duoseries Pro | | Only 6% Plastic Content: 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: 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. | |