Flashing Mouth Piece ( LED teeth guard , glow Mouth Piece ) best for the party , bar, disc , dance, etc Flash Mouth Piece / Flashing Teeth DESCRIPTION : -- Button switch on/off NO: 8201M Red Blue Green Yellow lights NO: 8201B 4 Blue lights Flashing Mouth Piece ( LED teeth guard , glow Mouth Piece ) best for the party , bar, disc , dance, etc - Conforming to EN71 ,Rohs standards- Storage life: 5 ...