3D DesignOur sleep chin strap adopts bilateral ear hanging design with pull strap, which avoids ear pressure, discomfort, and ensures that chin strap is more tightly fitted to your face, providing you a great fit for different facial contours.Breathable andamp; Skin-friendly Chip strap for double chin with air holes in the jaw is made of breathable, elastic and cool texture and that feels fresh and cool on your skin. It brings a comfortable wearing experience even for extended periods.Adjustable Hook and Loop Chin strap for snoring comes with hook and loop that allow for easy adjustments to fit different face shapes and sizes. It provides a fit closely without causing discomfort or slipping.Lightweight andamp; PortableJaw strap for sleeping close mouth features a lightweight and portable design, ensuring that it is convenient to stress-free wearing or carry in your pocket. You can take it out and use it anytime, anywhere to ensure your comfortable sleep.Multiple Uses Using airflow jaw strap for a long-term can effectively relieve your skin relaxation, eliminate double chin, provide face lifting and promote blood circulation. It also prevents snoring and breathing through your nose during sleeping.