- High-Quality Material: Our jaw exerciser is crafted from food-grade silicone, ensuring safety, odorlessness, and high-temperature resistance. Enhanced with durable, high-resistance materials, it protects your teeth, gums, and joints from damage during your workout. - Customizable Resistance: This mandibular trainer offers three resistance levels: 40 pounds (white), 50 pounds (gray), and 60 pounds (black). A daily routine of just 5-10 minutes of chewing can help you achieve a sculpted jawline. - Convenient Cleaning and Storage: Made from easy-to-clean materials, this jaw shaper promotes hygiene. Simply add toothpaste for added freshness and rinse with water. A portable plastic box is included for effortless storage. - Versatile Use: The lightweight and compact design allows you to exercise your jaw anywhere, whether at home, the office, or even in public spaces. With 12 pieces included, you can easily rotate between exercisers to suit your preferences and maintain a consistent workout routine. Use Cases: 1. At Home: Incorporate the jaw exerciser into your morning routine while preparing breakfast or sipping coffee. 2. During Commutes: Utilize it on public transport or in your vehicle for a quick workout while on the go. 3. In the Office: Fit in a few minutes during breaks to tone your jaw without needing a gym or specialized equipment.