Material: Silicone Size S5: 7mm in diameter (suitable for women with smaller nostrils, such as girls aged 10-16) Size M6: 8mm in diameter (for adult women) Size L7: 9mm in diameter (suitable for women with larger nostrils) Color: As shown in the picture Features: 1. Improve breathing efficiency: The silicone nose support is scientifically designed to help expand the nostrils and improve airflow. Ideal for individuals who experience snoring or nasal congestion, promoting better sleep quality. 2. Comfortable and durable: Made from high-quality silicone, this product is soft, skin-friendly, and non-irritating. The material is long-lasting for repeated use. 3. Three-dimensional design: Ergonomically shaped to fit securely inside the nostrils, staying in place during activities such as sleeping or light exercise. 4. Easy to clean: Smooth surface resists dirt buildup. Simply rinse with water after use for quick maintenance. 5. Portable and compact: Lightweight and easy to carry, making it convenient for home use or travel. Notes: 1. Manual measurement allows a tolerance of 2-5mm. Please allow slight variation. 2. Due to differences in monitor displays, the actual color may vary slightly from the image. 3. SKU color refers to the product packaging color. Package includes: 1 x Nostril support