BRAIN-PAD Double Guardian: Adult size. Offers full lower channel for Jaw Stabilization. Lower channel security & center breathe space offer better protection, performance & breathing than traditional mouthguards at this price point. Molds to ALL teeth. Great starter piece for athletes of lesser-impact contact sports or athletes looking for better protection and performance than traditional mouthguards can afford. Single-shot, thermoplastic manufacturing process. Comes in translucent Black.