- 2.0mm thin
- Pre-formed for an easy, perfect, custom-molded fit every time
- Adult size for athletes over 5' tall
- Youth size for athletes under 5' tall
- Works with braces (must be fitted by a dentist) *must size up to adult size for athletes under 5' tall
- Non-toxic: BPA, BPS, Latex, PVC, Phthalate free