Single side gum shields Material, Silicon.
junior to senior
Place the gum shield in warm water(about 80℃/176℉)
After 2 minutes , get it out and bit down, make sure it can stick firmly against upper jaw.
Put it into cold water and make it shaped
It can be reheated and give a re-custom fit
Mouth Guard Boxes
ART#-AS-6104
Mouth Guard Single Side
ART#-AS-6101
Mouth Guard Double side
ART#-AS-6102