Achieve natural pearly whites with mr blancs express teeth whitening strips a supply of peroxide free whitening strips that dissolve on the teeth to safely whiten and brighten your smile on the go convenient and easy to use each flexible strip fits perfectly to the contour of your teeth delivering a host of enamel friendly ingredients that remove stubborn stains and reveal a pure white smile all without sensitivity to the teeth or gums the thin transparent strips sit comfortably on the