Thank you for viewing! 【One-Touch Installation】 Simply bite down on the back teeth to fit. The pressure-absorbing structure disperses pressure, stopping firmly without burdening the back teeth or jaw. Just align the wave shape with your back teeth, and it's discreet, so you can use it with confidence when staying overnight or traveling. Teeth grinding can cause not only chipped, cracked, and worn-down teeth, but also poor physical condition in the head, shoulders, and neck. With a mouthguard, the burden on your teeth and jaw is reduced, and shoulder stiffness and headaches caused by teeth grinding are also alleviated. Anti-Teeth Grinding Mouthguard Set of 2, with a dedicated case. Easy to install without impressions! Effectively prevents nighttime teeth grinding and clenching, supporting comfortable sleep, for both men and women.