8 pcs black mouthpiece patches are made from thick, black, high quality, non-toxic and food-grade silicone rubber (0.5mm)
specially designed to protect your teeth and mouthpiece, easy to remove mouthpiece pad and replace without annoying vibrations, all operations are simple.
after remove the paches, it leave no residue on your mouthpiece.
Ideal for educational purposes, the mouthpiece patch prevents the teeth from sliding on the mouthpiece. It can be a useful tool in promoting the correct development of various aspects of embouchure and tone production, especially how much mouthpiece to take and the prevention of biting.