The ResMed Chin Restraint is a simple, effective accessory designed to keep your mouth closed during CPAP therapy. It is ideal for nasal mask users who experience mouth leaks, ensuring full air pressure reaches your lungs for a more effective and restful night's sleep. Mouth Leak Prevention – Keeps the jaw stable to stop therapy air escaping through the mouth. Soft & Breathable – Comfortable fabric designed for all-night wear without skin irritation. Universal Fit – Fully adjustable strap fits all head sizes and works with any CPAP mask. Prevents Dryness – Eliminates the dry mouth and throat irritation caused by mouth breathing. Durable Design – High-quality medical-grade materials built for nightly use and easy washing. The ResMed Chin Restraint is the essential accessory for nasal therapy users seeking to maximize comfort and treatment efficacy.