There are only two companies in America which manufacturer teeth whitening and we are wholesalers of both of them. The same products NiceWhites others here in this store are selling the exact same product for 3x, 6x, some times 10x more!!! Why pay more for the exact same product? Buy it from NiceWhites. These heat formed trays can be used for a multitude of uses including Teeth Whitening, fluoride applications, teeth cleaning applications, and limited sports use. You simply place in hot water for 10 seconds place in mouth and suck the air out. NiceWhites is a leader in teeth whitening technology. NiceWhites specializes in providing professional teeth whitening products, usually found only at your dentist, affordable and usable at home. This includes on set of clear heat formed trays.