The Jawline Trainer is a food-grade silicone jaw and facial-muscle exerciser. Bite and chew against its resistance to work the jaw, cheek and neck muscles, helping build bite strength and jaw-muscle tone. It's compact, easy to sanitise and comes in white, grey and black. Features Food-grade silicone — soft, durable and safe for oral use. Trains multiple muscles — works the jaw, tongue, lip and facial muscles. Builds strength & flexibility — improves biting and chewing strength and jaw movement. Easy to clean — sanitises quickly in boiling water. How to use Sanitise by placing it in boiling water before first use. Place in your mouth and chew for 3–5 minutes, 2–3 times a week. Specifications Size 3 x 1.5 cm Material Food-grade silicone Colours Black, White, Grey Backed by KKPW's 30-day returns and your Australian Consumer Law guarantees, with free standard shipping Australia-wide.