I bought these at a good price and passing that saving onto you fellow ebayers.  Mouthguard Direct mouthguards do exactly what they say they do. I used this when I boxed. You need a mouthguard when you participating in contact sport or a sport where you can be hit with an object that will cause damage to your teeth!  And as NHS dentist have become very rare most of us cant afford any damage to the pearly whites!