- The Custom Fit series is more durable and longer-lasting than the Pop 'N Go Series, making it perfect for strength workouts!
- Simply unbox it, fit the bite strips to your teeth, pop it in your mouth and bite down repeatedly!
- Within seconds you'll feel the the 57+ muscles in your face, neck and jaw all being activated.
With every bite, you will feel the 57+ muscles in your face and neck activating to produce stronger, more visibly defined facial muscles!