From the manufacturer's website:
The revolutionary Mueller Matrix® mouthguard by OPRO® unites the worlds most advanced lightweight cushioning materials, buffer zones and OPROfin patented custom fit technologies.
- Optimal triple layer design offers maximum protection, ultimate custom fit
- Hyperlite makes for lightweight impact absorbing materials
- OPROfin technology for a comfortable secure fit
- Open front palate allows for superior speech and breathing
- Air cushion barrier for increased protection.
- Not suitable with braces
- This product comes with an Antimicrobial case
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.