Soft material mouthguard that stays in place during sleep. - Product Name: Ibiki Korin (Snoring Stopper) - Intended Use: Mouthguard for sleep - Features: Fits teeth and gums, stays in place during sleep - Included: Storage case - Material: Soft material for a comfortable fit Thank you for viewing. Stored at home. Please refrain from purchasing if you are concerned about minor imperfections.