Designed with: ✓ A tongue and cheek cleaner to help reduce bacteria that can cause bad breath. ✓ A flexible neck to help prevent excess pressure on gums. ✓ Longer filaments to help clean between teeth. ✓ Shorter filaments to help clean the surface of the teeth. ✓ End rounded filaments to help protect teeth and gums. ✓ Comfortable non-slip rubber grip handle.