Great for braces. Cleans where toothbrushes can't! Plackers B-Tweeners Interdental Brushes are designed for kids with braces. They're engineered to access tight spaces and remove plaque and trapped food debris. 1. The brush head can bend 90 degrees and still work perfectly. 2. Hi-performance bristles last for 10 days or more. 3 The flexible comfort grip is easy to hold and control. 4. Portable! Easy to use at home or away. Rely on Plackers. The brand more people know and trust. Made in China.