Flexible gel pad. Designed to help protect tooth enamel + deliver effective cleaning. Sensodyne Pronamel toothbrush designed to help protect tooth enamel: This flexible gel pad holds the brush bristles to provide effective cleaning. Micro-fine bristle ends are gentle on the tooth enamel. We recommend using the Sensodyne Pronamel toothbrush with Sensodyne Pronamel daily toothpaste. Use with Pronamel toothpaste to help protect your teeth against the effects of acid erosion. Dentists recommend replacing your toothbrush every 3 months. www.pronamel.com. Made in Germany.