Protects both Upper & Lower teeth -– Can be trimmed for comfort. Secures, Stabilizes, and Cushions the lower jaw with a Dual Thermoplastic Design. Creates and - maintains at impact – A Protective TMJ / Space. Tested and Proven to reduce impact energy by 40% to the base of and brain. A good model to Cover and Protect Upper and Lower Braces. Good for increased Free-Breathing – “ Clench! and Breath! Multi-sport strap/strapless model– Includes strap. Improves/Recovers Performance and Strength - Promotes TMJ Healing. Includes hard storage Case with name label. Please Note: Case may vary depending on availability.