Plus White 5 Minute Premier Speed Whitening System will help you brighten your smile in just three easy steps. It begins whitening on the first application so that the results are evident right away. This Plus White 5 Minute Premier Speed Whitening Kit removes old buildup quickly. It will tackle tough stains such as tobacco, coffee, tea and wine. A Stainguard Post Rinse is included with this Plus White 5 Minute Premier teeth whitening system. This will coat teeth with a protective shield of stain-fighting polymers to prolong the effects of the treatment. You can use this product with confidence that the gel will be evenly distributed for a uniform appearance. The look of whiter teeth will be locked in, while any new discoloring is prevented from forming. Additionally, the set includes a comfortable mouth tray that is reusable. It is the ideal way to whiten and brighten teeth.