Hip Hop Grillz are made of a brass core with Austrian crystal stones. One size fits all Grillz, no mold needed for this grill. All the famous hiphop rappers are now wearing grillz get yours today and bling bling just like them!! Grillz are sold as it is without warranties of any kind. Due to the nature of this product, no returns or exchanges are allowed so please be aware of that prior to ordering. We will not be liable for any damages of any kind arising from the use of these grillz including but not limited to incidental, punitive or accidental damages