1. Fill pot with enough water to submerge your mouth guard in . Heat water to a boil.
2. Pour water into a mug and submerge your mouth guard for 20-30 secs. Do not leave your mouthguard longer than 60 seconds.
3. Carefully remove mouthguard from hot water with a fork or any other utensil.
4. Allow mouthguard to cool to a comfortable temperature. Do not place mouthguard in mouth immediately after boiling! 
5. With the aid of a mirror, fix your mouthguard onto your upper teeth. Bite down first with the molars then work your way to your front teeth.
6. Be sure to bite down hard in order to get correct mold of your teeth.
7. Remove mouthguard and let cool or run cold water over it.
8. Once cool put on mouthguard and make sure it has a good firm fit.
9. If mouthguard does not fit properly make sure to repeat steps 1-8