Step-by-Step Fitting InstructionsTest the Initial Fit: Place the unboiled mouthguard into your mouth over your upper teeth to check the size. If it feels too long at the back or triggers your gag reflex, use clean scissors to trim a small amount off the rear ends.Boil the Water: Bring a small pot of water to a rolling boil, then remove it from the heat source. Let it sit for about 30 seconds so it cools slightly from a rapid boil.Soften the Guard: Submerge the mouthguard completely in the hot water using a spoon or tongs for 20 to 30 seconds (check your specific packaging as times vary by density). Do not let it sit too long or it will melt completely.Cool Briefly: Carefully remove the softened guard from the water and dip it into a bowl of room-temperature tap water for 1 to 2 seconds just to cool the surface before placing it against