MY HOME DENTAL mouthpieces (set of 6). 【Super Easy! Excellent Fit Mouthpiece】 MY HOME DENTAL's custom-made mouthpieces. Requires molding, set of 6, comes with a dedicated case. 【Requires Molding】 Molds to your teeth for an excellent fit and zero discomfort. Simply soften in hot water and mold to your teeth. You can remake and fine-tune, so it won't come off. 【Set of 6 + Case】 The dedicated case is highly breathable. With a set of 6, you can rest assured even if you fail to mold it. 【Set Contents】 Molding mouthpieces x 6, dedicated case x 1, Japanese instruction manual 【Size】Free 【Material】 Body material: EVA resin, Case material: PP resin 【Precautions for Use】 Please refrain from using if you: * Have loose teeth, are undergoing orthodontic treatment, or are using dentures * Are undergoing treatment or have any abnormalities in your teeth or oral cavity * Have a nasal disease and have difficulty breathing through your nose * Have pain or abnormalities in the temporomandibular joint or gums 【Storage Method】 Before and after use, wash the mouthpiece with water and use it with a clean mouth. After use, dry in the shade and store in the dedicated case. 【Dentist-Supervised, Safe Material Mouthpiece】 Easy molding in 3 steps, 90 seconds #Shi-sha_DailyNecessities Dental material EVA used, with dedicated case, night guard, mouth guard, for sleep, MY HOME DENTAL (6 pieces)