Dentluxe's 18k Gold Tooth Gems are manufactured from only the finest 18kt Solid Yellow Gold. They will not tarnish or discolour in the mouth. All gems have a flat back surface making it possible to safely bond the gem to your tooth. The size of each gem is 3.5mm x 4mm (0.7mm thickness). The price listed is for 1 Gold Tooth Gem. Transparent Jar included. Bonding products are NOT included, and are sold separately here