Custom-fit mouthguard/mouthpiece. This type can be molded with hot water, making it easy to wear and less likely to fall out. I am selling one unused mouthpiece, a case, and an anti-snoring clip. I grind my teeth severely, which has caused chipping, and the mouthpiece made by my dentist was too large to sleep with at night, so I purchased this last month. Wearing it also helps me stop snacking, which is good for dieting. Original price: 1399 yen - Type: Mouthguard - Custom Fit: Yes - Storage Case: Comes with a blue case - Package Contents: 1 mouthpiece, 2 anti-snoring clips, storage case, instruction manual - Intended Use: Tooth protection, sports, teeth grinding, teeth clenching, TMJ improvement, dieting Thank you for looking.