Our anti-grinding and anti-snoring braces contain EVA/TPU. It can eliminate snoring, improve sleep quality and improve health. The way to use it is simple: after brushing your teeth before going to bed, put the teeth set into your mouth and adjust it to fit closely with your teeth. Once that's done, you can enjoy a restful night's sleep. Anti-grinding and anti-snoring braces can help prevent respiratory failure and promote airflow through the nose, thus making sleep more comfortable.