Full protection prevents all teeth from grinding padded side cushions prevent the upper and lower teeth from crunching like a protection with a full cover Made of durable high-performance material Ultra-light, slim design for ultimate comfort The easy-to-breathe flex tape ventilates behind the teeth to allow airflow, and enables drinking and speaking Tailor-made shapes on the teeth for a perfect fit Side cushions are shaped to the shape of the teeth for an individual fit The Doctors NightGuard was developed by the team of dentists and prevents damage from nocturnal teeth grinding or The patented two-layer design includes a soft top layer for cushioning and absorption and a firm lower layer to prevent sanding The lifespan of your mouthguard depends on the force of grinding your teeth It should take approximately six (6) months