Material: Silicone, and high quality. 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 effectively expand the nostrils and improve breathing efficiency. Especially for individuals who experience snoring or nasal congestion, this product can help improve sleep quality. 2. Comfortable and durable: Made of high-quality silicone material, soft and comfortable with no skin irritation. The material is durable and built for long-term use. 3. Three-dimensional design: Features a 3D structure that fits securely to the shape of the nostrils, staying in place during use. Suitable for use during activities such as sleeping or exercising. 4. Easy to clean: Smooth surface resists dirt buildup. Simply rinse with water after use for quick cleaning. 5. Portable and compact: Lightweight and easy to carry, ideal for home use or travel, allowing users to maintain clear breathing wherever they go. Notes: - Manual measurement may result in a 2-5g weight tolerance. - Due to monitor display differences, the actual color may vary slightly from the image. - The SKU color refers to the product packaging color. Package includes: 1 piece nostril support