Features: A special custom mold can mask the skewed, stained, missing and notched teeth. It is an excellent substitute for expensive braces. Beautiful dentures make you smile more. Removable, reusable temporary smiley device. Please clean after use. How to use: 1.Put your teeth in a cup of hot (almost boiling) water for 1 minute. This will make them flexible and ready for customization 2.Using a mirror, firmly attach the Instant Smile Teeth to your existing teeth. Press them firmly against the teeth and gently press the impression material behind the real teeth with your thumb 3.After 30 seconds, gently loosen the teeth from the mouth and then cool in a glass of cold water. The impression material turns white when hardened