Pure Quiet Sleep Stop Snore Mouthguard EVA Mouthpiece Apnea Guard for High Quality Sleeping Material: Food Grade EVA material， health and safety. Mouthpiece Size: 55*45*30mm Packaged method: Box Type: stop snoring solution， Said Goodbye to Snoring Package included: 1 * Mouthpiece 1 * dental films 1 * Instructions Our Store No. : 1262545 Tired for sleeping like that? Wanting high quality sleeping like that? then you need the megical helper Usage: 1. Wash your hands before operation 2. Put the mouthpiece into the 70-80 degree warm water， soak it to soften. 3， With the dental films' help， put the soften mouthpiece into your mouth， firmly bite to leave teeth marks on the mouthpiece. 4. Few minutes later， Remove the mouthpiece， put the mouthpiece into cold water quickly， Stereotyping. 5， Well done， teeth marks fixed， biting into the mouth before going to bed. 6. If this time is not perfect， you can repeat above steps， and finally you will get the effect you wanted. High quality， best price.