booheads Soniboo brush heads are designed to be compatible with Sonicare with medium-firm and our multi V design bristles. Its structure is designed to get into gaps and cavities of your teeth, ensuring your teeth are left clean and soft. Simply push the brush head onto its fitment; turn on your toothbrush and get cleaning. This pack features 2 multicolored bamboo electric toothbrush heads. The heads and packaging are biodegradable.