Description: For those concerned about teeth alignment, protruding teeth, snoring, or teeth grinding, and for those who want mild orthodontic treatment! It fits gently on teeth and gums, and can be easily removed by yourself. Material: Silicone Target: For those aged 12 and over Type: Transparent, soft type *Individual differences may occur. We also have sets of 2 and hard types available. Thank you for your consideration. Please also see my profile. Available for immediate purchase(^^) If you wish, we can also offer faster anonymous shipping (Nekopos) than standard mail for an additional 50 yen.