??BUY WITH CONFIDENCE: Principal American is 100% MADE IN THE USA and if you’re not satisfied with your Nightguards, we will give your money back no questions asked. ??BRACES FIT: A great added benefit to using Principal American Nightguards. You can use them if you wear braces! They will easily custom fit over your braces - and you can adjust them and refit as your teeth move. ??PREMIUM QUALITY: Our mouthguards for grinding of teeth are made with our patented ultra durable Vistamaxxhydrophobic fitting material which promotes an all night comfortable fit. They are BPA free. ??PERFECT DENTAL FIT: Proprietary fitting material that provides a comfortable snug fit that ensures the mouth guard for grinding teeth stays in your mouth throughout the night. ??SAFE, COMFORTABLE & EASY TO FIT: Our mouth guard for sleeping is made to go in your microwave and includes an easy fit instruction guide. They are made of safe materials, well-constructed, and comfortable to use every single day.