Material: Silicone - Item Size:7 × 2cm (One Size fit All)Ultra Comfortable. - Enhance Your Smile At Home In Minutes. - Extra Thin Flex Technology Minimizes Speech Disruption. - Fitting Instructions: Place teeth into a cup of hot (almost boiling) water for 1 minute. This will make them flexible and ready to custom fit. - Using a mirror, firmly position the Instant Smile Teeth over your existing teeth. - Press them firmly against your teeth and gently pat the impression material with your thumbs behind your real teeth. - Gently ease the teeth out of your mouth after 30 seconds and set them in a glass of cold water to cool. - Note: The impression material turns white when it is hardened. - For Cosmetic Purposes Only, Do NOT Eat Or Sleep While Using This Product. - Package Includes 1x Fake Tooth For Snapon Smile Teeth Bottom &Upper Lower