This is a set of 2, one soft and one hard type. Description: For those who are concerned about misaligned teeth, protruding teeth, snoring, or teeth grinding, or who want mild orthodontic treatment! It fits gently on your teeth and gums, and can be easily removed by yourself. Material: Soft: Silicone, Hard: Plastic Target: For those aged 12 and over Type: Transparent, Soft + Hard type *Individual differences may vary. Single items and sets of 2 of each type are also available. Thank you very much. Please also take a look at my profile. Available for immediate purchase(^^) If you wish, we also offer anonymous shipping (Nekopos), which is faster than regular mail, for an additional 50 yen.