24 hour active stain prevention when paired with twice daily brushing,Paraben free. Up to 100% stain removal in 5 days. You Will Receive (3) 3.9 oz tubes of Crest 3D White brilliance toothpaste in vibrant peppermint flavor. When used as directed, Crest Whitestrips with Light whiten dramatically better than strips alone. A lightweight, disposable, water resistant, handheld device that weakens stains. Crest’s best and fastest whitening technology at home.