• Everyone should be able to enjoy sport without fear of dental injury

  • Get the most from your Prolon mouthguard

  • Proudly supporting New Zealand sport for over 50 years

Size Guide

Mouthguards help prevent broken or chipped teeth, facial and jaw injuries. You should wear your mouthguard during warm-ups, training and games so how it fits is vital for protecting your mouth and ensuring comfort while you wear it.


Prolon Mouthguards are available in 3 sizes:


Size Guide

  Junior Youth Adult
Age 5-10 11-15 16+
Length (mm) 42 45 51
Width (mm) 50 54 60


If your child is small/large for their age or on the cusp of another size, we recommend purchasing a larger mouthguard and cutting it to size.