This supporter, made of mesh material, comfortably supports nasal breathing. It naturally encourages a shift from mouth breathing to nasal breathing, preventing dryness of the mouth and throat during sleep, and supporting improved sleep quality. Made with nylon and polyurethane, the materials provide softness and elasticity, achieving both a comfortable fit and hold. * This anti-snoring device is flexible and stretchy, making it easy to adjust the tightness and the position of the Velcro fastener. The mesh processing improves breathability for comfortable wear. * Mouth breathing is said to affect various issues, including snoring, pain in the mouth and throat upon waking, teeth grinding/clenching, and waking up during the night. This jaw support is a sleep aid for those troubled by mouth breathing. * Measure the head circumference from the chin to the top of the head. The suitable size is for head circumferences of 57-70cm. - Brand: Ziplet - Type: Nasal breathing supporter - Color: Black - Material: Mesh - Features: Prevents mouth breathing Although unused, please understand that this item has been stored at home. Thank you for viewing.