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SISU 3D Custom Fit Rugby Mouthguard


SISU 3D Custom Fit Rugby Mouthguard

SISU mouthguards are known for their unmatched protection, comfort, cleanliness, and remoldability. They are designed to allow athletes to easily talk and breathe during game time and are also 8 times tougher and 30-50% stronger than conventional mouth guards.

SISU 3D improves on previous models, and adds a number of new features.


  • Pre-formed guard for an effortless, fast, fit and go shape
  • Variable material thickness to put protection where it is needed, and comfort where it is desired
  • 1.6mm on the inside, 2.4mm on the outside
  • Up to $50,000limited dental warranty
  • Ages 7+
  • Works with braces (must be fitted by a dentist)
  • Non-toxic: BPA, BPS, Latex, PVC, Phthalate free


  • Brush and rinse your mouthguard with a non-abrasive toothpaste and soft bristle tooth brush
  • Disinfect using 3% hydrogen peroxide - soak for no more than 10 minutes.
  • Wash with anti-bacterial soap - this helps keep bacteria at bay
  • Use a non-alcohol based cleaner and sanitize with one soak
  • Store in a ventilated case


  • Soak your mouthguard overnight
  • Use rubbing alcohol or alcohol based cleaning agents
  • Use hand sanitizer, dish soap, bleach or denture tablets
  • Put in dishwasher




We provide FREE return labels for customers in the U.S. Items that are unwashed, unworn, and unused may be easily returned by mail within 30 days of delivery.

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