1.5g Custom form fit Fangs or REFILL Kit. Thermo Adhesive Teeth refill Replacement. Non-toxic. However, it should not be used if you have dental plates, wire work, or wear braces or other dental work. Custom Fangs Thermoplastic application. Softened in boiling water, which sterilizes the material, it is then easily molded and shaped into the perfect fit for your mouth. Allows you to drink cold liquids while you are wearing your fangs. OR you can make your own unique fangs or crazy teeth! Many uses!