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 support improved breathing. This may benefit individuals experiencing snoring or nasal congestion, potentially contributing to better sleep quality. 2. Comfortable and durable: Made from high-quality silicone, this product is soft, comfortable, and non-irritating to the skin. Silicone material offers durability and long-term use. 3. Three-dimensional design: The silicone nose support features a 3D structure that fits securely to the shape of the nostrils, helping to stay in place during use, suitable for activities such as sleeping or light exercise. 4. Easy to clean: The surface of the silicone nose support is smooth and resists dirt buildup. Simply rinse with water after use for quick cleaning. 5. Portable and compact: Lightweight and easy to carry, this product can be conveniently used at home or on the go, providing breathing support whenever needed. Notes: 1. Manual measurement may result in a 2-5mm size variation. 2. Due to differences in monitor displays, the actual product color may vary slightly from the image. 3. The SKU color refers to the packaging color. Package includes: 1 x Nostril Support